Submission #1385423

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Source Code Expand

#include <cstdio>
int main()
{
    int n, a;
    int f[100001] = {0};
    scanf("%d", &n);

    int ans = 0;
    for (int i = 1; i <= n; i++) {
        scanf("%d", &a);
        if (f[a] >= 1) ans++;
        else f[a]++;
    }
    printf("%d\n", ans);
}

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:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a);
                        ^

Judge Result