Submission #2147408

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Source Code Expand

#include<stdio.h>
int main()
{
    int a, b;
    scanf("%d %d", &a, &b);
    int d;
    if (a > b)
        d = a - b;
    else
        d = b - a;
    int ans = 0;
    ans += (d / 10);
    d %= 10;
    switch (d)
    {
    case 0:
        break;
    case 1:
        ans++;
        break;
    case 2:
        ans += 2;
        break;
    case 3:
        ans += 3;
        break;
    case 4:
        ans += 2;
        break;
    case 5:
        ans++;
        break;
    case 6:
        ans += 2;
        break;
    case 7:
        ans += 3;
        break;
    case 8:
        ans += 3;
        break;
    case 9:
        ans += 2;
        break;
    }
    printf("%d\n", ans);
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a, &b);
     ^

Judge Result