#include <stdio.h>
 
int main() {
    int a, b, sum = 0, i;
 
    // 二つの整数を読み込む
    printf("1つ目の整数を入力: ");
    scanf("%d", &a);
    printf("2つ目の整数を入力: ");
    scanf("%d", &b);
 
    // 小さい方をmin、大きい方をmaxに
    int min = (a < b) ? a : b;
    int max = (a > b) ? a : b;
 
    i = min;
    do {
        sum += i;
        i++;
    } while (i <= max);
 
    printf("合計: %d\n", sum);
 
    return 0;
}

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Mwo1

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