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Submission #941444

# Submission time Handle Problem Language Result Execution time Memory
941444 2024-03-09T00:46:36 Z Programmer123 Rectangles (IOI19_rect) C++17
0 / 100
 1 ms 348 KB 
#include "rect.h"

long long count_rectangles(std::vector<std::vector<int> > a) {
    int N = a.size();
    int M = a[0].size();
    long long ans = 0;
    if (N == 3) {
        bool works[N];
        works[0] = false;
        works[N - 1] = false;
        for (int i = 1; i < N - 1; ++i) {
            works[i] = a[1][i] < a[0][i] && a[1][i] < a[2][i];
        }
        for (int l = 1; l < N - 1; ++l) {
            if (!works[l]) continue;
            int max = a[1][l];
            for (int r = l; r < N - 1; ++r) {
                if (!works[r]) break;
                max = std::max(max, a[1][r]);
                if (max >= a[1][l - 1]) break;
                if (max >= a[1][r + 1]) continue;
                ans++;
            }
        }
    }
    return ans;
}

Compilation message

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:5:9: warning: unused variable 'M' [-Wunused-variable]
    5 |     int M = a[0].size();
      |         ^

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -