제출 #636499

#제출 시각아이디문제언어결과실행 시간메모리
636499gromperenAliens (IOI16_aliens)C++14
0 / 100
0 ms212 KiB
#include <bits/stdc++.h> #include "aliens.h" #define ll long long #define int long long const int INF = 1<<59; using namespace std; int sqr(int x) {return x * x;} long long take_photos(int32_t n, int32_t m, int32_t k, vector<int32_t> r, vector<int32_t> c) { /* vector<vector<int>> vis(m+1, vector<int>(m+1)); int ans = 0; for (int i = 0; i < n; ++i) { if (r[i] > c[i]) swap(r[i], c[i]); for (int x = r[i]; x <= c[i]; ++x) { for (int y = r[i]; y <= c[i]; ++y) { if (vis[x][y]) continue; ans++; vis[x][y] = 1; } } } */ vector<pair<int,int>> tmpcords; vector<pair<int,int>> cords; for (int i = 0; i < n; ++i) { tmpcords.push_back({min(r[i], c[i]), max(r[i], c[i])}); } sort(tmpcords.begin(), tmpcords.end(), [](pair<int,int>a,pair<int,int>b) {return a.first<b.first || (a.first==b.first && a.second>b.second);}); for (auto i : tmpcords) { if (cords.size() && cords.back().second >= i.second) continue; cords.push_back(i); } n = cords.size(); //cout << "DBG" << endl; //for (int i =0 ;i < n; ++i) { //cout << cords[i].first << " " << cords[i].second << "\n"; //} vector<vector<int>> dp(n+1, vector<int>(k+1, INF)); dp[0][0] = 0; for (int i = 0;i <= k; ++i) dp[0][i] = 0; for (int i = 1; i <= n; ++i) { for (int j =1; j <= k; ++j) { for (int p = 0; p < i; ++p) { int cur = dp[p][j-1] + sqr(cords[i-1].second - cords[p].first + 1); //cout << cur << " "; if ((p -1 >= 0) && cords[p-1].second >= cords[p].first) cur -= sqr(cords[p-1].second - cords[p].first + 1); //cout << cur << endl; dp[i][j] = min(dp[i][j], cur); } } } //for (int i =0; i<=n;++i) { //for (int j = 0; j<=k;++j) { //cout << dp[i][j] << " "; //} //cout << "\n"; //} int ans = INF; for (int i = 0; i <= k; ++i) { ans = min(ans, dp[n][i]); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

aliens.cpp:8:18: warning: left shift count >= width of type [-Wshift-count-overflow]
    8 | const int INF = 1<<59;
      |                 ~^~~~
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