Submission #1137030

#	Time	Username	Problem	Language	Result	Execution time	Memory
1137030		alterio	Aliens (IOI16_aliens)	C++20	4 / 100	1 ms	328 KiB

aliens

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

using namespace std;

#define ll long long

ll take_photos(int n, int m, int k, vector<int> r, vector<int> c) {
    ll area[m][m];
    bool done[n];
    memset(area, 0, sizeof(area));
    memset(done, 0, sizeof(done));
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            if (done[j]) continue;
            if (r[j] == i) {
                done[j] = 1;
                int dist = c[j] - i + 1;
                for (int l = i; l < i + dist; l++) 
                    for (int w = i; w < i + dist; w++) area[l][w]++;
            }
            else if (c[j] == i) {
                done[j] = 1;
                int dist = r[j] - i + 1;
                for (int l = i; l < i + dist; l++) 
                    for (int w = i; w < i + dist; w++) area[l][w]++;
            }
        }
    }
    ll ans = 0;
    for (int i = 0; i < m; i++) 
        for (int j = 0; j < m; j++) ans += (area[i][j] > 0);
    return ans;
}

Compilation message (stderr)

aliens.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
aliens_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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