9/20 이중 반복문,구구단 만들기

kimseunghoo · updated September 20, 2025
#include <stdio.h>

int main() {
    int i,j,k;
    // for(i=1;i<=9;i++){
    //     printf("2 x %d = %d\n", i, i*2);
    // }

    // for(i=2;i<10;i++){  
    //     for(j=1;j<10;j++){
    //         printf("%d x %d = %d\n",i,j,i*j);
    //     }
    //     printf("\n");
    // }

    for(i=1;i<=5;i++){
              for(k=i;k<5;k++){
                  printf(" ");
              }
              for(j=1;j<=i;j++){
                  printf("*");
              }
              printf("\n");  
    }
}

Output

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