Submission #3714939

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
int main()
{
    int n, total = 0;
    scanf("%d", &n);
    for(int i = 0, j, k; i < n; ++i)
    {
        scanf("%d%d", &j, &k);
        total += abs(k - j);
    }
    printf("%d\n", total % 2 ? total : max(0, total - 1));
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:9:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &j, &k);
                              ^

Judge Result