oj.uz

Submission #804313

# Submission time Handle Problem Language Result Execution time Memory
804313 2023-08-03T07:58:13 Z 이동현(#10103) Vera and Modern Art (CCO17_art) C++17
0 / 25
 159 ms 8264 KB 
#include <bits/stdc++.h>
// #pragma GCC optimize("O3")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
using namespace std;

unordered_map<signed int, int> srt[32][32];
unordered_map<signed int, int> saveans;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    auto len = [&](signed int x){
        return 64 - __builtin_clzll(x);
    };

    int n, q;
    cin >> n >> q;
    signed int A = 998244353;
    signed int B = (int)1e9 + 7;
    for(int i = 0; i < n; ++i){
        signed int x, y;
        int v;
        cin >> x >> y >> v;
        // assert(y == 1);
        srt[len(x) - 1][len(y) - 1][A * x + B * y] += v;
    }

    for(int rep = 0; rep < q; ++rep){
        signed int x, y;
        cin >> x >> y;

        auto q = saveans.find(A * x + B * y);
        if(q != saveans.end()){
            cout << q->second << '\n';
            continue;
        }
        
        int ans = 0;
        for(int i = 0; (1ll << i) <= x; ++i){
            for(int j = 0; (1ll << j) <= y; ++j){
                if(!(int)srt[i][j].size()) continue;
                signed int px = x % (1ll << i) + (1ll << i);
                signed int py = y % (1ll << j) + (1ll << j);

                auto p = srt[i][j].find(A * px + B * py);
                if(p != srt[i][j].end()){
                    ans += p->second;
                }
            }
        }

        cout << ans << '\n';

        saveans[A * x + B * y] = ans;
    }
    
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 708 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Incorrect 159 ms 8264 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -