Submission #734055

# Submission time Handle Problem Language Result Execution time Memory
734055 2023-05-01T15:17:33 Z lorenzoferrari Fish (IOI08_fish) C++17
68 / 100
3000 ms 17684 KB
#include "bits/stdc++.h"
using namespace std;

struct fish {
    int l;
    int g;
    bool operator<(const fish& oth) {
        return l < oth.l;
    }
};

signed main() {
    int n; cin >> n;
    int k; cin >> k;
    int m; cin >> m;
    vector<fish> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i].l >> a[i].g; --a[i].g;
    }
    sort(begin(a), end(a));
    vector<vector<int>> o(k);
    vector<int> last(k);
    for (int i = 0; i < n; ++i) {
        o[a[i].g].emplace_back(a[i].l);
        last[a[i].g] = i;
    }

    int ans = 0;
    vector<int> rs;
    vector<int> frq(k);
    for (int r = 0, l = 0; r < n; ++r) {
        int c = a[r].g;
        if (last[c] != r) continue;
        while (2*a[l].l <= a[r].l) {
            ++frq[a[l].g];
            ++l;
        }

        int cur = 1;
        for (int i : rs) {
            cur = (cur * (frq[i] % m + 1)) % m;
        }
        rs.push_back(c);
        cur = cur * (frq[c] % m) % m;

        int oth = 1;
        for (int i = 0; i < k; ++i) {
            if (i == c) continue;
            if (2*o[c][frq[c]] <= o[i].back()) continue;
            oth = oth * (frq[i] + 1) % m;
        }

        ans = (ans + cur + oth) % m;
    }
    
    cout << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 351 ms 7404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 380 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 157 ms 3856 KB Output is correct
2 Correct 185 ms 6812 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 47 ms 472 KB Output is correct
2 Correct 16 ms 428 KB Output is correct
3 Correct 31 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 240 ms 5248 KB Output is correct
2 Incorrect 400 ms 13380 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 322 ms 8112 KB Output is correct
2 Correct 432 ms 14444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 428 ms 5284 KB Output is correct
2 Correct 860 ms 7976 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1729 ms 7972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 3019 ms 9228 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3012 ms 8744 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3007 ms 14540 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3028 ms 15300 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3059 ms 17684 KB Time limit exceeded
2 Halted 0 ms 0 KB -