Submission #1997278

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    scanf("%d", &n);
    map <int, int> m;
    set <int> s;
    int res = 0;
    for (int i = 0; i < n; i++) {
        int x;
        scanf("%d", &x);
        m[x]++;
        s.insert(x);
    }
    for (set <int>:: iterator it = s.begin(); it != s.end(); it++) {
        int x = *it;
        if (m[x] > x)
                res += m[x] - x;
        else if (m[x]< x)
                res += m[x];
    }
    cout << res << endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:13:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
                        ^

Judge Result