Submission #1252945

#TimeUsernameProblemLanguageResultExecution timeMemory
1252945Semen07Rope (JOI17_rope)C++20
45 / 100
2595 ms1196 KiB
#include <bits/stdc++.h>

int main() {
    // freopen("main.in", "r", stdin);
    // freopen("main.out", "w", stdout);
    size_t n, m;
    std::cin >> n >> m;
    std::vector<size_t> a(n);
    for (size_t i = 0; i < n; ++i) {
        std::cin >> a[i];
        --a[i];
    }
    for (size_t f = 0; f < m; ++f) {
        size_t ans = n;
        for (size_t s = 0; s < m; ++s) {
            size_t score0 = 0;
            for (size_t i = 0; i < n; i += 2) {
                if (i + 1 < n) {
                    if (a[i] == a[i + 1] && (a[i] == f || a[i] == s)) continue;
                    if (a[i] == f || a[i + 1] == f || a[i] == s || a[i + 1] == s) score0++;
                    else score0 += 2; 
                } else {
                    if (a[i] != f && a[i] != s) score0++;
                }
            }
            size_t score1 = 0;
            for (size_t i = 0; i < n + 1; i += 2) {
                if (i > 0 && i < n) {
                    if (a[i] == a[i - 1] && (a[i] == f || a[i] == s)) continue;
                    if (a[i] == f || a[i - 1] == f || a[i] == s || a[i - 1] == s) score1++;
                    else score1 += 2; 
                } else {
                    if (i == n) --i;
                    if (a[i] != f && a[i] != s) score1++;
                }
            }
            ans = std::min({ans, score0, score1});
        }
        std::cout << ans << '\n';
    }
}
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