#include<stdio.h> main() {char ch,i,k,z;  int j; scanf("%c",&ch); if(ch>='A'&&ch<='Z') {for(i='A';i<=ch;i++) {for(j=1;j<=ch-i;j++) {printf(" ");} for(k='A';k<=i;k++) {printf("%c",k);} for(z=i-1;z>='A';z--) {printf("%c",z);} ...

#include<stdio.h> main() {int n,i,j,t=1; scanf("%d",&n); for(i=1;i<=n;i++) {for(j=1;j<=i;j++) {printf("%4d",t); t++;} printf("\n");}}

#include<stdio.h> main() {int i,j; for(i=1;i<=9;i++) {for(j=1;j<=i;j++) {printf("%d*%d=%2d ",j,i,j*i);} printf("\n");}}

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);}

#include<stdio.h> main() {int n,m,i,j,k,x; while(scanf("%d",&n)!=EOF) {for(i=1;i<=n;i++) {for(j=1;j<=n-i;j++) {printf(" ");} for(k=1;k<=2*i-1;k++) {printf("*");} printf("\n");} for(i=n-1;i>=1;i--) {for(j=n-i;j>=1;j--) {printf(" &q...

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-1;for(k=1;k<=xinghao;k++){printf("*");}printf("\n");}}}

include<stdio.h> main(){int a=0,b=0,c=0;char ch;while((ch=getchar())!='?'){if(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z'){a++;}else{if(ch>='0'&&ch<='9'){b++;} else{c++;}}}printf("Letters=%d\n",a);printf("Digits=%d\n",b);printf("Othe...

include<stdio.h> main(){int n,t,i,tag;scanf("%d",&t);while(t--){scanf("%d",&n);if(n==1){printf("No\n");}else{if(n==2||n==3){printf("Yes\n");}else{tag=0; for(i=2;i<n;i++){if(n%i==0){tag++;break;}}if(tag==0){printf("Yes\n");}else{print...

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

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:b++;Tot++;break; case 3:c++;Tot++;break;}}printf("A=%d\n",a);printf("B=%d\n",b);printf("C=%d\n",c);printf("Tot=%d\n",Tot); Tot++;if(a>Tot/2){printf...

include<stdio.h> main(){int n,i,sum=0;scanf("%d",&n);for(i=0;i<=n/5;i++){sum+=(n-i*5)/2+1;}printf("%d",sum);}

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);system("pause");}

#include<stdio.h> int main() {int n,i,ab,cd; scanf("%d",&n); for(i=1000;i<n;i++) {ab=i/100; cd=i%100; if((ab+cd)*(ab+cd)==i) {printf("%d\n",i);}}}

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);}}}