张老板!

张老板!

张老板!

张老板!

张老板!


存一下代码8


#include <iostream> #include <stdio.h> #include <string.h> #include <algorithm> #define maxn 35 using namespace std ; int read() { int x = 0 , f = 1 ; char s = getchar() ; while(s > '9' || s < '0') {if(s == '-') f = -1 ; s = getchar() ;} while(s <='9' && s >='0') {x = x * 10 + (s-'0'); s = getchar() ;} return x*f ; } int n , a[maxn] , ans , tot ; int prime[110000] , vis[110000] ; void pre() { vis[0] = vis[1] = 1 ; for(int i = 2 ; i <= 10000 ; ++i ) { if(!vis[i]) prime[tot++] = i ; for(int j = 0 ; j <= tot && prime[j] * i <= 10000 ; ++j ) { vis[prime[j] * i ] = 1 ; if(!(i % prime[j])) break ; } } } int judge(int x) { if(!vis[x]) return 1 ; return 0 ; } int main () { n = read() ; pre() ; for(int i = 1 ; i <= n ; i ++) a[i] = read() ; for(int i = 1 ; i <= n ; i ++) { for(int j = i+1 ; j <= n ; j ++) { for(int k = j+1 ; k <= n ; k ++) { if(judge(a[i]+a[j]+a[k])) { //cout << a[i] << " " << a[j] << " " << a[k] <<endl ; ans ++ ; } } } } printf("%d\n",ans) ; return 0 ; } 

 #include <iostream> #include <stdio.h> #include <string.h> #include <algorithm> #define maxn 110000 using namespace std ; int read() { int x = 0 , f = 1 ; char s = getchar() ; while(s > '9' || s < '0') {if(s == '-') f = -1 ; s = getchar() ;} while(s <='9' && s >='0') {x = x * 10 + (s-'0'); s = getchar() ;} return x*f ; } int n , m ; int a[maxn] , s[maxn] ; int main () { n = read() , m = read() ; for(int i = 1 ; i <= n ; i ++) { a[i] = read() ; s[i] = s[i-1] + a[i] ; } while(m --) { int l ,r ; l =read() , r = read() ; printf("%d\n",s[r]-s[l-1]) ; } } 

 #include<iostream> #include<stdio.h> #include<stack> #include<string.h> using namespace std; int num[305] , n ; char s[305]; stack <int> st; char S[]={'{','[','(','<','}',']',')','>'}; int main() { scanf("%d",&n) ; for(int k = 1 ; k <= n ; k ++) { scanf("%s",s+1) ; while(!st.empty()) st.pop() ;bool flag = 1 ; int len = strlen(s+1) ; for(int i = 1 ; i <= len ; i ++) for(int j = 0 ; j < 8 ; j ++) if(s[i] == S[j]) { num[i] = j ; break ; } for(int i = 1 ; i <= len ; i ++) { if(num[i] <= 3) { if(st.empty() || num[i] >= st.top()) st.push(num[i]) ; else { flag = 0; break; } } else { if(!st.empty()&&st.top()+4 == num[i]) st.pop() ; else { flag = 0; break; } } } if (!st.empty()) puts("NO"); else if (flag) puts("YES"); else puts("NO"); } return 0; }

#include<iostream> #include<cstdio> #include<algorithm> #include<cmath> using namespace std; bool s[2000020]; int d,t; int k=1; int main() { cin>>d>>t; int n=pow(2,d)-1; for(int i=1;i<=t;i++) { k=1; while(1) { s[k]=!s[k]; if(s[k]) k*=2; else k=k*2+1; if(k>n) break; } } printf("%d\n",k/2); return 0; } 

 #include<cstdio> #include <iostream> #include<algorithm> using namespace std; const int maxn = 100010; const int maxm = 99999997; struct MyStruct { int data; int loc; }a[maxn],b[maxn]; int e[maxn], n, c[maxn]; int inline readint() { int x = 0; char c = getchar(); while (c<'0' || c>'9') c = getchar(); while (c >= '0'&&c <= '9') { x = x * 10 + c - '0'; c = getchar(); } return x; } int lowbit(int x) { return x&-x; } void add(int x,int t) { while (x <= n) { e[x] += t; e[x] %= maxm; x += lowbit(x); } } int sum(int x) { int s = 0; while(x) { s += e[x]; s %= maxm; x -= lowbit(x); } return s; } bool cmp(MyStruct x, MyStruct y) { return x.data < y.data; } int A[10] , B[10 ] ; int main() { // n = readint(); n = 6 ; for(int i = 1 ; i <= 6 ; i ++) { char s ; cin >> s ; A[i] = s -'0' ; } for(int j = 1 ; j <= 6 ; j ++){ char s ; cin >> s ; B[j] = s -'0' ; } for (int i = 1; i <= n; i++) { a[i].data = A[i]; a[i].loc = i; } for (int i = 1; i <= n; i++) { b[i].data = B[i]; b[i].loc = i; } sort(a + 1, a + n + 1, cmp); sort(b + 1, b + n + 1, cmp); for (int i = 1; i <= n; i++) { c[a[i].loc] = b[i].loc; } int ans = 0; for (int i = 1; i <= n; i++) { add(c[i], 1); ans += i - sum(c[i]); ans %= maxm; } printf("%d", ans); return 0; }

我菜死了!!