제출 #961726

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
961726		Ahmed57	Aliens (IOI16_aliens)	C++17	25 / 100	2016 ms	7004 KiB

aliens

#include <bits/stdc++.h>
#include "aliens.h"

using namespace std;
long long take_photos(int n, int m, int k, vector<int> r,vector<int> c){
    vector<pair<long long,long long>> seg1,seg;
    for(int i = 0;i<n;i++){
        seg1.push_back({min(c[i],r[i]),max(c[i],r[i])});
    }
    sort(seg1.begin(),seg1.end());
    long long ma = -1e18;
    for(int i = 0;i<n;i++){
        if(seg1[i].second>ma){
            seg.push_back(seg1[i]);
            ma = seg1[i].second;
        }
    }
    long long dp[seg.size()+1][k+1];
    for(int i = 0;i<=k;i++)dp[0][i] = 0;
    for(int i = 1;i<=seg.size();i++){
        dp[i][0] = 1e18;
        for(int j = 1;j<=k;j++){
            dp[i][j] = 1e18;
            for(int e = 0;e<i;e++){
                dp[i][j] = min(dp[i][j],dp[e][j-1]+(seg[i-1].second-seg[e].first+1)*(seg[i-1].second-seg[e].first+1)-(e==0?0:max(0ll,seg[e-1].second-seg[e].first+1)*max(0ll,seg[e-1].second-seg[e].first+1)));
            }
        }
    }
    return dp[seg.size()][k];
}

컴파일 시 표준 에러 (stderr) 메시지

aliens.cpp: In function 'long long int take_photos(int, int, int, std::vector<int>, std::vector<int>)':
aliens.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 1;i<=seg.size();i++){
      |                   ~^~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 9 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40