Submission #773737

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
773737	2023-07-05 08:03:48	Jomnoi	Aliens (IOI16_aliens)	C++17	12 / 100	104 ms	4176 KiB

aliens

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#include <bits/stdc++.h>
#include "aliens.h"
using namespace std;
const int MAX_K = 1005;
const int MAX_N = 1005;
const int MAX_M = 1e6 + 5;
const long long INF = 1e18 + 7;
int N, M, K;
long long dp[MAX_K][MAX_N];
int qs[MAX_N][MAX_N];
bool dead[MAX_N];
int minL[MAX_M];
long long take_photos(int n, int m, int k, vector <int> r, vector <int> c) {
    N = n, M = m, K = k;
    for (int i = 0; i < m; i++) minL[i] = M;
    for (int i = 0; i < N; i++) {
        int x = min(r[i], c[i]), y = max(r[i], c[i]);
        minL[y] = min(minL[y], x);
    }
    stack <pair <int, int>> stk;
    for (int i = 0; i < m; i++) {
        if (minL[i] == M) continue;
        while (!stk.empty() and stk.top().first >= minL[i]) stk.pop();
        stk.emplace(minL[i], i);
    }
 
 
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• Subtask 1: 0 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40