Submission #1798466

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
using namespace std;

int main() {
        int n;
        scanf("%d", &n);
        vector<int> a(n);
        for (int i = 0; i < n; i ++) scanf("%d", &a[i]);
        long long res = 1;
        for (int i = 0; i < n; i ++) if (a[i] % 2 == 0) res *= 2;
        long long all = pow(3, n);
        printf("%lld\n", all - res);
        return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &n);
                        ^
./Main.cpp:13:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         for (int i = 0; i < n; i ++) scanf("%d", &a[i]);
                                                        ^

Judge Result