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全部文章（共29篇）

阶乘计算

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

2020-03-04

0 642

金字塔

include<stdio.h> main(){int n,i,j,k,xinghao;while(scanf("%d",&n)!=EOF){for(i=1;i<=n;i++){for(j=1;j<=n-i;j++){printf(" ");}xinghao=i+i-...

2020-03-03

0 731

数位之和

include<stdio.h> main(){int n,sum=0;scanf("%d",&n);while(n){sum+=n%10;n/=10;}printf("%d",sum);}

2020-03-02

1 815

选村长

include<stdio.h> main(){int n,a=0,b=0,c=0,t=0,Tot=0,tag; char flag='A';while(scanf("%d",&n),n!=-1){switch(n){case 1:a++;Tot++;break; case 2:...

2020-03-02

0 827

约数之和

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

2020-03-02

0 606

3和5和7

include<stdio.h> int main(){int n,i,t;scanf("%d",&n);for(i=1;i<=n;i++){t=i;if(t%3==2&&t%5==3&&t%7==2){printf("%d\n",i);}}...

2020-03-01

0 697

多组输入a+b ||规定数组

include<stdio.h> int main(){int a,b,n;scanf("%d",&n);while(n--){scanf("%d%d",&a,&b); printf("%d\n",a+b);}}

2020-02-10

0 757

更相减损术

include<stdio.h> main(){int a,b;scanf("%d%d",&a,&b); for(;a!=b;) {if(a>b)a-=b; if(a<b)b-=a;}printf("%d",a);}

2020-02-10

1 674

魔法数字变换

include<stdio.h> main() {int n,m; scanf("%d",&n); for(m=0;n!=1;m++) {if(n%2==0)n/=2; else n=3*n+1;} printf("%d",m);}

2020-02-10

1 772

幸运数字7

include<stdio.h> main(){int n,m,sum=0,tag;scanf("%d",&n);for(m=1;m<=n;m++){if(m%7==0){sum+=m;}} printf("%d",sum);}

2020-02-10

0 745