Submission #1443704

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <climits>
#include <cmath>
#include <vector>
#include <string>

#define REP(i, n) for (int i=0;i<(n);i++)
#define FOR(i, a, b) for (int i=(a);i<(b);i++)

using namespace std;

int main() {
    int n;
    scanf("%d", &n);
    printf("%d\n", n-1);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^

Judge Result