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Submission #427426

# Submission time Handle Problem Language Result Execution time Memory
427426 2021-06-14T15:09:05 Z 2qbingxuan Aliens (IOI16_aliens) C++14
4 / 100
 1 ms 688 KB 
#include "aliens.h"
#include <bits/stdc++.h>
#ifdef local
#define debug(x...) qqbx(#x, x)
#define pary(x...) danb(#x, x)
#define safe std::cerr<<__PRETTY_FUNCTION__<<" line "<<__LINE__<<" safe\n"
template <typename ...T> void qqbx(const char *s, T ...a) {
    int cnt = sizeof...(T);
    ((std::cerr << "\e[1;32m(" << s << ") = ("), ..., (std::cerr << a << (--cnt ? ", " : ")\e[0m\n")));
}
template <typename T> void danb(const char *s, T L, T R) {
    std::cerr << "\e[1;32m[ " << s << " ] = [ ";
    for (int f = 0; L != R; ++L)
        std::cerr << (f++ ? ", " : "") << *L;
    std::cerr << " ]\e[0m\n";
}
#else
#define debug(...) ((void)0)
#define pary(...) ((void)0)
#define safe ((void)0)
#endif // local
#define all(v) begin(v),end(v)

using namespace std;
using ll = long long;
const ll INF = 1e18;
const int maxn = 1025;
int pre[maxn][maxn];
long long take_photos(int n, int m, int k, std::vector<int> row, std::vector<int> col) {
    for (int i = 0; i < n; i++) {
        int l = row[i], r = col[i];
        if (l > r) swap(l, r);
        ++r;
        pre[l][l] += 1;
        pre[l][r] -= 1;
        pre[r][l] -= 1;
        pre[r][r] += 1;
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < m; j++) {
            if (i) pre[i][j] += pre[i-1][j];
            if (j) pre[i][j] += pre[i][j-1];
            if (i && j) pre[i][j] -= pre[i-1][j-1];
        }
    }
    int ans = 0;
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < m; j++) {
            if (pre[i][j])
                ++ans;
        }
    }
    return ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 1 ms 204 KB Correct answer: answer = 12
5 Correct 0 ms 332 KB Correct answer: answer = 52
6 Correct 1 ms 296 KB Correct answer: answer = 210
7 Correct 1 ms 296 KB Correct answer: answer = 88
8 Correct 1 ms 588 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 460 KB Correct answer: answer = 2374
11 Correct 1 ms 688 KB Correct answer: answer = 9502
12 Correct 1 ms 304 KB Correct answer: answer = 49
13 Correct 1 ms 460 KB Correct answer: answer = 151
14 Correct 1 ms 588 KB Correct answer: answer = 7550
15 Correct 1 ms 588 KB Correct answer: answer = 7220
16 Correct 1 ms 588 KB Correct answer: answer = 7550
17 Correct 1 ms 676 KB Correct answer: answer = 10000
18 Correct 1 ms 588 KB Correct answer: answer = 10000
19 Correct 1 ms 684 KB Correct answer: answer = 624
20 Correct 1 ms 588 KB Correct answer: answer = 10000

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 1
2 Incorrect 0 ms 204 KB Wrong answer: output = 2, expected = 4
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 1 ms 204 KB Correct answer: answer = 12
5 Correct 0 ms 332 KB Correct answer: answer = 52
6 Correct 1 ms 296 KB Correct answer: answer = 210
7 Correct 1 ms 296 KB Correct answer: answer = 88
8 Correct 1 ms 588 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 460 KB Correct answer: answer = 2374
11 Correct 1 ms 688 KB Correct answer: answer = 9502
12 Correct 1 ms 304 KB Correct answer: answer = 49
13 Correct 1 ms 460 KB Correct answer: answer = 151
14 Correct 1 ms 588 KB Correct answer: answer = 7550
15 Correct 1 ms 588 KB Correct answer: answer = 7220
16 Correct 1 ms 588 KB Correct answer: answer = 7550
17 Correct 1 ms 676 KB Correct answer: answer = 10000
18 Correct 1 ms 588 KB Correct answer: answer = 10000
19 Correct 1 ms 684 KB Correct answer: answer = 624
20 Correct 1 ms 588 KB Correct answer: answer = 10000
21 Correct 1 ms 204 KB Correct answer: answer = 1
22 Incorrect 0 ms 204 KB Wrong answer: output = 2, expected = 4
23 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 1 ms 204 KB Correct answer: answer = 12
5 Correct 0 ms 332 KB Correct answer: answer = 52
6 Correct 1 ms 296 KB Correct answer: answer = 210
7 Correct 1 ms 296 KB Correct answer: answer = 88
8 Correct 1 ms 588 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 460 KB Correct answer: answer = 2374
11 Correct 1 ms 688 KB Correct answer: answer = 9502
12 Correct 1 ms 304 KB Correct answer: answer = 49
13 Correct 1 ms 460 KB Correct answer: answer = 151
14 Correct 1 ms 588 KB Correct answer: answer = 7550
15 Correct 1 ms 588 KB Correct answer: answer = 7220
16 Correct 1 ms 588 KB Correct answer: answer = 7550
17 Correct 1 ms 676 KB Correct answer: answer = 10000
18 Correct 1 ms 588 KB Correct answer: answer = 10000
19 Correct 1 ms 684 KB Correct answer: answer = 624
20 Correct 1 ms 588 KB Correct answer: answer = 10000
21 Correct 1 ms 204 KB Correct answer: answer = 1
22 Incorrect 0 ms 204 KB Wrong answer: output = 2, expected = 4
23 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 1 ms 204 KB Correct answer: answer = 12
5 Correct 0 ms 332 KB Correct answer: answer = 52
6 Correct 1 ms 296 KB Correct answer: answer = 210
7 Correct 1 ms 296 KB Correct answer: answer = 88
8 Correct 1 ms 588 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 460 KB Correct answer: answer = 2374
11 Correct 1 ms 688 KB Correct answer: answer = 9502
12 Correct 1 ms 304 KB Correct answer: answer = 49
13 Correct 1 ms 460 KB Correct answer: answer = 151
14 Correct 1 ms 588 KB Correct answer: answer = 7550
15 Correct 1 ms 588 KB Correct answer: answer = 7220
16 Correct 1 ms 588 KB Correct answer: answer = 7550
17 Correct 1 ms 676 KB Correct answer: answer = 10000
18 Correct 1 ms 588 KB Correct answer: answer = 10000
19 Correct 1 ms 684 KB Correct answer: answer = 624
20 Correct 1 ms 588 KB Correct answer: answer = 10000
21 Correct 1 ms 204 KB Correct answer: answer = 1
22 Incorrect 0 ms 204 KB Wrong answer: output = 2, expected = 4
23 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Correct answer: answer = 4
2 Correct 1 ms 204 KB Correct answer: answer = 4
3 Correct 1 ms 204 KB Correct answer: answer = 4
4 Correct 1 ms 204 KB Correct answer: answer = 12
5 Correct 0 ms 332 KB Correct answer: answer = 52
6 Correct 1 ms 296 KB Correct answer: answer = 210
7 Correct 1 ms 296 KB Correct answer: answer = 88
8 Correct 1 ms 588 KB Correct answer: answer = 7696
9 Correct 1 ms 204 KB Correct answer: answer = 1
10 Correct 1 ms 460 KB Correct answer: answer = 2374
11 Correct 1 ms 688 KB Correct answer: answer = 9502
12 Correct 1 ms 304 KB Correct answer: answer = 49
13 Correct 1 ms 460 KB Correct answer: answer = 151
14 Correct 1 ms 588 KB Correct answer: answer = 7550
15 Correct 1 ms 588 KB Correct answer: answer = 7220
16 Correct 1 ms 588 KB Correct answer: answer = 7550
17 Correct 1 ms 676 KB Correct answer: answer = 10000
18 Correct 1 ms 588 KB Correct answer: answer = 10000
19 Correct 1 ms 684 KB Correct answer: answer = 624
20 Correct 1 ms 588 KB Correct answer: answer = 10000
21 Correct 1 ms 204 KB Correct answer: answer = 1
22 Incorrect 0 ms 204 KB Wrong answer: output = 2, expected = 4
23 Halted 0 ms 0 KB -