都是模拟，自行食用
A
/* Author: 张皓南 Result: AC Submission_id: 2384206 Created at: Fri Mar 27 2020 20:47:33 GMT+0800 (CST) Problem_id: 3143 Time: 16 Memory: 1692 */
#include<stdio.h>
#include<math.h>
int n,i,j,m;
double money;
double bj;
char c;
double ch,maxx,x;
int main(){
scanf("%lf%d",&money,&n);bj=money;
for(i=1;i<=n;i++){
c=getchar();
while(c=='\n'||c=='\r') c=getchar();
scanf("%lf",&ch);
if(c=='+'){
money+=ch;
bj+=(int)ch;
}
else if(c=='-'){
money-=ch;
bj-=(int)ch;
}
scanf("%d",&m);
maxx=0;
for(j=1;j<=m;j++){
scanf("%lf",&x);
if(x>maxx) maxx=x;
}
money=money*(1+maxx/100);
}
printf("%.2lf",money-bj);
return 0;
}
B
/* Author: 张皓南 Result: AC Submission_id: 2379208 Created at: Fri Mar 27 2020 19:22:15 GMT+0800 (CST) Problem_id: 3125 Time: 2 Memory: 1668 */
#include <stdio.h>
char s[5005];
double a,b;
char d;
int main(){
while(scanf("%lf %c %lf",&a,&d,&b)!=EOF){
if(b==0){
puts("Wrong Input");
}
else if(d=='+'){
printf("%.2lf\n",(double)(a)+(double)(b));
}
else if(d=='-')printf("%.2lf\n",(double)(a)-(double)(b));
else if(d=='*')printf("%.2lf\n",(double)(a)*(double)(b));
else if(d=='/')printf("%.2lf\n",(double)(a)/(double)(b));
}
return 0;
}
C
/* Author: 张皓南 Result: AC Submission_id: 2383546 Created at: Fri Mar 27 2020 20:37:04 GMT+0800 (CST) Problem_id: 3144 Time: 5 Memory: 1644 */
#include <stdio.h>
int n,i,j,x;
int main(){
while(scanf("%d",&x)!=EOF){
n=2*x+1;
for(i=1;i<=n;i++){
if(i==(n+1)/2){
for(j=1;j<=n;j++) printf("*");
printf("\n");
}
else{
for(j=1;j<=n;j++){
if(i==j||j==(n-i+1)) printf("*");
else printf(" ");
}
printf("\n");
}
}
printf("\n");
}
return 0;
}
D
/* Author: 张皓南 Result: AC Submission_id: 2385412 Created at: Fri Mar 27 2020 21:31:59 GMT+0800 (CST) Problem_id: 3138 Time: 10 Memory: 1700 */
#include <stdio.h>
long long n,i,j;
long long l,r;
long long a[105],sum[105];
long long ans;
int main(){
while(scanf("%lld",&n)!=EOF){
ans=0;
l=0,r=0;
sum[0]=0;
for(i=1;i<=n;i++) scanf("%lld",&a[i]),sum[i]=sum[i-1]+a[i];
for(i=1;i<=n;i++){
//左端点
for(j=i;j<=n;j++){
//右端点
if(sum[j]-sum[i-1]>ans){
r=j;
l=i;
ans=sum[j]-sum[i-1];
}
else if(sum[j]-sum[i-1]==ans){
if(j-i>r-l){
r=j;
l=i;
}
}
}
}
if(l==0&&r==0) puts("I'm hungry!");
else printf("%lld %lld %lld\n",ans,l,r);
}
return 0;
}
E
/* Author: 张皓南 Result: AC Submission_id: 2381969 Created at: Fri Mar 27 2020 20:10:16 GMT+0800 (CST) Problem_id: 3142 Time: 10 Memory: 2412 */
#include <stdio.h>
#include <math.h>
#define PI 3.14159265
int a,b;
int main(){
scanf("%d%d",&a,&b);
if(b==0&&a>0) printf("E");
else if(b==0&&a<0) printf("W");
else if(a==0&&b>0) printf("N");
else if(a==0&&b<0) printf("S");
else if(a==0&&b==0)printf("Bingo");
else {
double x=(double)(b)/a;
double angle=atan(x)*180/ PI;//计算以角度表示的x的反正切
if(a>0&&b>0)printf("NE%.2f", 90.00-angle);
else if(a<0&&b>0)printf("NW%.2f",90.00+angle);
else if(a<0&&b<0) printf("SW%.2lf",90.00-angle);
else if(a>0&&b<0) printf("SE%.2f",90.00+angle);
}
return 0;
}
F
/* Author: 张皓南 Result: AC Submission_id: 2384861 Created at: Fri Mar 27 2020 20:56:37 GMT+0800 (CST) Problem_id: 3134 Time: 1 Memory: 1544 */
#include<stdio.h>
int n;
int main(){
while(scanf("%d",&n)!=EOF){
if(n<=2){
printf("3.183263598\n");
}
else if(n<=4){
printf("3.140597029\n");
}else if(n<=6){
printf("3.141621029\n");
}else if(n<=8){
printf("3.141591772\n");
}else if(n<=10){
printf("3.141592682\n");
}else if(n<=12){
printf("3.141592653\n");
}else if(n<=14){
printf("3.141592654\n");
}else if(n<=16){
printf("3.141592654\n");
}else if(n<=18){
printf("3.141592654\n");
}else{
printf("3.141592654\n");
}
}
return 0;
}
G
/* Author: 张皓南 Result: AC Submission_id: 2386876 Created at: Fri Mar 27 2020 22:08:50 GMT+0800 (CST) Problem_id: 3145 Time: 56 Memory: 1696 */
#include<stdio.h>
#include<math.h>
#define modd 1e-6
double m,b,k,x0,t0,zhn,a,jj,z;
long long i;
int main(){
scanf("%lf%lf%lf%lf%lf",&m,&b,&k,&x0,&t0);
zhn=0.0;
a=0.0;
jj=x0;
z=0.0;
for(i=1;i*modd<t0;i++){
zhn=jj+modd*z;
a=z-modd*(b*z+k*jj)/m;
jj=zhn;
z=a;
}
printf("%.8lf",zhn);
return 0;
}
H
/* Author: 张皓南 Result: AC Submission_id: 2385084 Created at: Fri Mar 27 2020 20:59:01 GMT+0800 (CST) Problem_id: 3111 Time: 55 Memory: 1688 */
#include <stdio.h>
long long n,i,x;
int main(){
scanf("%lld",&n);
long long ans=1;
for(i=1;i<=2*n-1;i++) scanf("%lld",&x),ans=ans^x;
ans=ans^1;
printf("%lld",ans);
return 0;
}
I
/* Author: 张皓南 Result: AC Submission_id: 2378978 Created at: Fri Mar 27 2020 19:13:44 GMT+0800 (CST) Problem_id: 3135 Time: 10 Memory: 1696 */
#include <stdio.h>
int n,i,x,ans;
int a[10005];
int main(){
scanf("%d",&n);
for(i=1;i<=n+1;i++){
scanf("%d",&x);
if(a[x]==0) a[x]=1;
else if(a[x]==1) ans=x;
}
printf("%d",ans);
return 0;
}
J
/* Author: 张皓南 Result: AC Submission_id: 2389670 Created at: Sat Mar 28 2020 00:32:10 GMT+0800 (CST) Problem_id: 3140 Time: 3 Memory: 1684 */
#include <stdio.h>
int a[30];
int d,i,q,j,k;
int ge,shi,bai;
int year2,mo,da,qian;
int ii;
int b[30];
int main(){
// printf("%d",192%100);
a[1]=a[3]=a[4]=a[5]=a[6]=a[7]=a[8]=a[10]=a[11]=1;
a[9]=12;
a[12]=3;
b[1]=b[3]=b[5]=b[7]=b[12]=b[8]=b[10]=31;
b[4]=b[6]=b[9]=b[11]=30;
scanf("%d",&q);
while(q--){
int ans=0;
scanf("%d%d%d",&year2,&mo,&da);
for(i=1;i<year2;i++){
if(i%4==0&&i%100!=0||i%400==0) d=366,a[2]=3;
else d=365,a[2]=2;
j=i%1000;
k=i%100;
ge=i%10;
shi=(k-ge)/10;
bai=(j-k)/100;
if(k==29||k==92||j==209||j==219||j==239||j==249||j==259||j==269||j==279||j==289||(j<=299&&j>=290)||j==902||j==912||(j>=920&&j<=929)||j==932||j==942||j==952||j==962||j==972||j==982) ans=ans+d;
else{
if(bai==9||shi==9||ge==9) ans+=179;
else if(bai==2||shi==2||ge==2) ans+=62;
else ans+=26;
if(a[2]==3) ans++;
}
}
if(year2%4==0&&year2%100!=0||year2%400==0) a[2]=3,b[2]=29;
else a[2]=2,b[2]=28;
i=year2;
j=i%1000;
qian=i/1000;
k=i%100;
ge=i%10;
shi=(k-ge)/10;
bai=(j-k)/100;
if(k==29||k==92||j==129||j==192||j==209||j==219||j==229||j==239||j==249||j==259||j==269||j==279||j==289||(j<=299&&j>=290)||j==902||j==912||(j>=920&&j<=929)||j==932||j==942||j==952||j==962||j==972||j==982) {
for(ii=1;ii<mo;ii++) ans+=b[ii]; ans+=da;
}
else if(bai==9||ge==9||shi==9){
for(ii=1;ii<mo;ii++) {
if(ii!=2) ans+=a[9];
else if(ii==2) {
if(year2%4==0&&year2%100!=0||year2%400==0) ans+=29;
else ans+=28;
}
}
if(mo==2) ans+=da;
else if(mo==12) ans+=da;
else {
for(ii=1;ii<=da;ii++){
if(ii==2||ii==12||(ii>=20&&ii<=29)) ans++;
}
}
}
else if(bai==2||ge==2||shi==2||qian==2){
for(ii=1;ii<mo;ii++){
if(ii!=9&&ii!=2) ans+=a[12];
else if(ii==2){
if(b[2]==29) ans+=a[12];
else ans+=a[12]-1;
}
else if(ii==9)ans+=30;
}
if(mo==9) ans+=da;
else{
for(ii=1;ii<=da;ii++){
if(ii==9||ii==19||ii==29) ans++;
}
}
}
else {
for(ii=1;ii<mo;ii++) ans+=a[ii];
if(mo==2){
if(da>=9&&da<19) ans++;
else if(da>=19&&da<29) ans=ans+2;
else if(da==29) ans=ans+3;
}
else if(mo==9){
if(da>=29) ans+=12;
else if(da>=2&&da<12) ans++;
else if(da>=12&&da<20) ans=ans+2;
else if(da>=20&&da<29) ans=ans+3+(da-20);
}
else if(mo==12){
if(da>=9&&da<19) ans++;
else if(da>=19&&da<29) ans=ans+2;
else if(da>=29) ans=ans+3;
}
else{
if(da>=29) ans++;
}
}
printf("%d\n",ans);
}
return 0;
}
K
/* Author: 张皓南 Result: AC Submission_id: 2391328 Created at: Sat Mar 28 2020 10:27:15 GMT+0800 (CST) Problem_id: 3151 Time: 16 Memory: 1712 */
#include <stdio.h>
int bi[10];
int ben[10];
int i;
int flag;
int gcd(int x,int y){
if(!y) return x;
else return gcd(y,x%y);
}
int pd(int x,int y){
if(x==0&&(y==1||y==-1)){
return 0;
}
else if(y==0&&(x==1||x==-1)){
return 0;
}
else if(x==0&&y==0){
return 1;
}
else if(x==0||y==0){
return 1;
}
else {
if(x<0) x=x*(-1);
if(y<0) y=y*(-1);
if(gcd(x,y)!=1) return 1;
else return 0;
}
}
inline int read(){
int x=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9'){
if(ch=='-')f=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){
x=x*10+ch-'0';ch=getchar();}
return x*f;
}
int main(){
while(scanf("%d%d%d%d",&bi[1],&bi[2],&bi[3],&bi[4])==4){
flag=0;
for(i=1;i<=4;i++) ben[i]=read();
if(pd(bi[1],ben[1])&&pd(bi[2],ben[2])&&pd(bi[3],ben[3])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[4]);
flag=1;
}
else if(pd(bi[1],ben[1])&&pd(bi[2],ben[2])&&pd(bi[3],ben[4])&&pd(bi[4],ben[3])){
flag=1;
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[3]);
}
else if(pd(bi[1],ben[1])&&pd(bi[2],ben[3])&&pd(bi[3],ben[2])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[4]);
flag=1;
}
else if(pd(bi[1],ben[1])&&pd(bi[2],ben[3])&&pd(bi[3],ben[4])&&pd(bi[4],ben[2])){
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[2]);
flag=1;
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[1])&&pd(bi[3],ben[4])&&pd(bi[4],ben[3])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[3]);
flag=1;
}
else if(pd(bi[1],ben[1])&&pd(bi[2],ben[4])&&pd(bi[3],ben[2])&&pd(bi[4],ben[3])){
flag=1;
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[3]);
}
else if(pd(bi[1],ben[1])&&pd(bi[2],ben[4])&&pd(bi[3],ben[3])&&pd(bi[4],ben[2])){
flag=1;
printf("%dvs%d\n",bi[1],ben[1]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[2]);
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[1])&&pd(bi[3],ben[3])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[4]);
flag=1;
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[3])&&pd(bi[3],ben[1])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[4]); flag=1;
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[3])&&pd(bi[3],ben[4])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[1]);
flag=1;
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[4])&&pd(bi[3],ben[1])&&pd(bi[4],ben[3])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[3]);
flag=1;
}
else if(pd(bi[1],ben[2])&&pd(bi[2],ben[4])&&pd(bi[3],ben[3])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[2]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[1]);
flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[1])&&pd(bi[3],ben[2])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[4]);
flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[1])&&pd(bi[3],ben[4])&&pd(bi[4],ben[2])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[2]); flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[2])&&pd(bi[3],ben[1])&&pd(bi[4],ben[4])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[4]); flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[2])&&pd(bi[3],ben[4])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[4]);
printf("%dvs%d\n",bi[4],ben[1]); flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[4])&&pd(bi[3],ben[1])&&pd(bi[4],ben[2])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[2]); flag=1;
}
else if(pd(bi[1],ben[3])&&pd(bi[2],ben[4])&&pd(bi[3],ben[2])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[3]);
printf("%dvs%d\n",bi[2],ben[4]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[1]);
flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[1])&&pd(bi[3],ben[2])&&pd(bi[4],ben[3])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[3]);
flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[1])&&pd(bi[3],ben[3])&&pd(bi[4],ben[2])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[1]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[2]); flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[2])&&pd(bi[3],ben[1])&&pd(bi[4],ben[3])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[3]);
flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[2])&&pd(bi[3],ben[3])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[2]);
printf("%dvs%d\n",bi[3],ben[3]);
printf("%dvs%d\n",bi[4],ben[1]);
flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[3])&&pd(bi[3],ben[1])&&pd(bi[4],ben[2])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[1]);
printf("%dvs%d\n",bi[4],ben[2]); flag=1;
}
else if(pd(bi[1],ben[4])&&pd(bi[2],ben[3])&&pd(bi[3],ben[2])&&pd(bi[4],ben[1])){
printf("%dvs%d\n",bi[1],ben[4]);
printf("%dvs%d\n",bi[2],ben[3]);
printf("%dvs%d\n",bi[3],ben[2]);
printf("%dvs%d\n",bi[4],ben[1]);
flag=1;
}
if(!flag){
puts("As we can't.");
}
}
return 0;
}
L
/* Author: 张皓南 Result: AC Submission_id: 2379931 Created at: Fri Mar 27 2020 19:36:34 GMT+0800 (CST) Problem_id: 3153 Time: 62 Memory: 1952 */
#include <stdio.h>
int n,i;
int mon,flag,mon2,mon5;
int a[100005];
int main(){
while(scanf("%d",&n)!=EOF){
mon=0;
mon2=0;
mon5=0;
flag=0;
for(i=1;i<=n;i++) scanf("%d",&a[i]);
for(i=1;i<=n;i++){
if(a[i]==1) mon++;
else if(a[i]==2){
//2酷爱
if(mon<1){
flag=1;
break;
}
else{
mon--;
mon2++;
}
}
else if(a[i]==5){
if(mon+mon2*2<4){
flag=1;
break;
}
else{
mon5++;
if(mon2*2>=4){
mon2=mon2-2;
}
else if(mon2==1){
mon2--;
mon=mon-2;
}
else if(!mon2){
mon=mon-4;
}
}
}
}
if(!flag) puts("Survived.");
else if(flag) puts("Bankrupted.");
}
return 0;
}
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