Submission #3819286

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <cmath>
#include <map>

using namespace std;

map < int, int > cmap[2];
int n, maxc[2], res;

int main() {
    cin >> n;
    for (int i = 0; i < n; ++i) {
        int x; scanf("%d", &x);
        if (cmap[i % 2][maxc[i % 2]] < ++cmap[i % 2][x])
            maxc[i % 2] = x;
    }
    res = n;
    for (int i = 1; i <= 1e5; ++i)
        for (int j = 0; j < 2; ++j)
            if (i != maxc[j]) 
                res = min(res, n - cmap[1 - j][i] - cmap[j][maxc[j]]);
    cout << res;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         int x; scanf("%d", &x);
                               ^

Judge Result