oj.uz

Submission #244188

# Submission time Handle Problem Language Result Execution time Memory
244188 2020-07-02T18:15:56 Z NONAME Pohlepko (COCI16_pohlepko) C++14
65 / 80
 1000 ms 65540 KB 
#include <bits/stdc++.h>
#define dbg(x) cerr << #x << " = " << x << "\n"
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie()
using namespace std;
using ll = long long;

char c[2000][2000];

bool cmp(pair <int, int> x, pair <int, int> y) {
    return c[x.first][x.second] < c[y.first][y.second];
}

int main() {
    fast_io;

    int n, m;

    cin >> n >> m;

    for (int i = 0; i < n; ++i)
    for (int j = 0; j < m; ++j)
        cin >> c[i][j];

    vector <pair <int, int> > p, np;
    p.push_back(make_pair(0, 0));

    for (int i = 0; i < n + m - 1; ++i) {
        sort(p.begin(), p.end(), cmp);

        cout << c[p[0].first][p[0].second];

        if (i == n + m - 2)
            break;

        char ch = 'z';

        for (auto j : p) {
            int x = j.first, y = j.second;

            if (x + 1 < n)
                ch = min(ch, c[x + 1][y]);

            if (y + 1 < m)
                ch = min(ch, c[x][y + 1]);
        }

        for (auto j : p) {
            int x = j.first, y = j.second;

            if (x + 1 < n && c[x + 1][y] == ch)
                np.push_back(make_pair(x + 1, y));

            if (y + 1 < m && c[x][y + 1] == ch)
                np.push_back(make_pair(x, y + 1));
        }

        p = np;
        np.clear();
    }
}

Subtask #1
65.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 1408 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 8 ms 1280 KB Output is correct
7 Correct 23 ms 4352 KB Output is correct
8 Correct 57 ms 8184 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 13 ms 896 KB Output is correct
11 Correct 25 ms 768 KB Output is correct
12 Correct 14 ms 2560 KB Output is correct
13 Correct 13 ms 4480 KB Output is correct
14 Execution timed out 1091 ms 16208 KB Time limit exceeded
15 Runtime error 379 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Runtime error 410 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)