#include <stdio.h>
#include <math.h>
 
int main() {
    int num1, num2;
    printf("1つ目: ");
    scanf("%d", &num1);
    printf("2つ目: ");
    scanf("%d", &num2);
 
 
    // num2の桁数を求める
    int temp = num2, digits = 0;
    if (temp == 0) {
        digits = 1;
    } else {
        while (temp != 0) {
            temp /= 10;
            digits++;
        }
    }
 
    // num1を10^digits倍してnum2を加える
    int result = num1 * (int)pow(10, digits) + num2;
 
    printf("%d", result);
    return 0;
}
 
 

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

MSA0

1 4