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全部文章（共29篇）

牛牛学数列6

include<stdio.h> main(){int n,m,f1=1,f2=1,f;scanf("%d",&n);if(n<3){printf("%d",f1);} else {for(m=2;m<n;m++) {f=f1+f2; f1=f2; f2=f;}...

2020-02-10

1 1039

牛牛学数列5

include<stdio.h> main(){int n,m,f1=1,f2=1,f;scanf("%d",&n);if(n<3){printf("%d",f1);} else {for(m=2;m<n;m++) {f=f1+f2; f1=f2; f2=f;}...

2020-02-10

9 805

牛牛学数列4

include<stdio.h> main(){int n,m,k=0,sum=0;scanf("%d",&n);for(m=1;m<=n;m++){k+=m;sum+=k;}printf("%d",sum);}

2020-02-10

2 695

牛牛学数列3

include<stdio.h> main() {int n,i,k=1,sum=0,sign=1; double m=0.0; scanf("%d",&n); for(i=1;i<=n;i++) {sum=sum+sign*(2*k-1); m+=1.0...

2020-02-10

1 695

用sign控制每轮循环中i的符号变化

#include<stdio.h> main() {int n,i,sign=1,sum=0; scanf("%d",&n); for(i=1;i<=n;i++) {sum=sum+sign*i; sign*=-1;} printf("%d",sum);}

2020-02-09

4 959

最大值最小值

include<stdio.h> int main(){ int a[3],max=0,min=1000000; for(int i=0;i<3;i++){ scanf("%d",&a[i]); } for(int i=0;i<3...

2020-02-09

4 676

吃瓜群众

include<stdio.h> main(){int weight;scanf("%d",&weight);if(weight%2==0&&weight>2)printf("YES, you can divide the watermelon into t...

2020-02-09

0 649

判断闰年

include<stdio.h> main(){int n;scanf("%d",&n);if(n%4==0&&n%100!=0||n%400==0)printf("yes");elseprintf("no");}

2020-02-09

0 580

牛可乐数

include<stdio.h> main(){int n;scanf("%d",&n);if(n%2==0||n>50)printf("yes");elseprintf("no");}

2020-02-09

0 516

一大一小

include<stdio.h> main(){int x,y,t;scanf("%d%d",&x,&y);if(x<y){t=x;x=y;y=t;}printf("%d\n%d",x,y);}

2020-02-08

1 565