oj.uz

답안 #595897

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
595897 2022-07-14T07:57:16 Z 이동현(#8445) Sushi (JOI16_sushi) C++17
5 / 100
 12000 ms 260440 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;

const int BS = 1000;
multiset<int> num[BS];
multiset<int> que[BS];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int B = 1950;
    int n, q; cin >> n >> q;
    vector<int> a(n);
    for(int i = 0; i < n; ++i){
        cin >> a[i];
        num[i / B].insert(a[i]);
    }
    while(q--){
        int x, y, k; cin >> x >> y >> k; --x, --y;
        auto sol = [&](int x, int y, int k)->int{
            auto doque = [&](int pos)->void{
                int bp = pos / B;
                if(!(int)que[bp].size()){
                    return;
                }
                int l = bp * B, r = min(n, l + B);
                for(int i = l; i < r; ++i){
                    que[bp].insert(a[i]);
                    a[i] = *(que[bp].begin());
                    que[bp].erase(que[bp].begin());
                }
                que[bp].clear();
            };
            doque(x), doque(y);
            int xb = x / B, yb = y / B;
            int xl = xb * B, xr = min(n, xl + B);
            int yl = yb * B, yr = min(n, yl + B);

            if(xb < yb){
                for(int i = x; i < xr; ++i){
                    if(a[i] > k){
                        auto p = num[xb].lower_bound(a[i]);
                        num[xb].erase(p);
                        swap(a[i], k);
                        num[xb].insert(a[i]);
                    }
                }
                for(int i = xb + 1; i < yb; ++i){
                    que[i].insert(k);
                    num[i].insert(k);
                    k = *(--num[i].end());
                    num[i].erase(--num[i].end());
                }
                for(int i = yl; i <= y; ++i){
                    if(a[i] > k){
                        auto p = num[yb].lower_bound(a[i]);
                        num[yb].erase(p);
                        swap(a[i], k);
                        num[yb].insert(a[i]);
                    }
                }
            }
            else{
                for(int i = x; i <= y; ++i){
                    if(a[i] > k){
                        auto p = num[xb].lower_bound(a[i]);
                        num[xb].erase(p);
                        swap(a[i], k);
                        num[xb].insert(a[i]);
                    }
                }
            }
            return k;
        };
        //if(x <= y) sol(x, y, k);
        //else sol(0, y, sol(x, n - 1, k));
        if(x <= y) cout << sol(x, y, k) << '\n';
        else cout << sol(0, y, sol(x, n - 1, k)) << '\n';
    }
    return 0;
}

Compilation message

sushi.cpp: In lambda function:
sushi.cpp:40:30: warning: unused variable 'yr' [-Wunused-variable]
   40 |             int yl = yb * B, yr = min(n, yl + B);
      |                              ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 468 KB Output is correct
2 Correct 9 ms 524 KB Output is correct
3 Correct 9 ms 468 KB Output is correct
4 Correct 10 ms 468 KB Output is correct
5 Correct 7 ms 468 KB Output is correct
6 Correct 9 ms 468 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 13 ms 468 KB Output is correct
10 Correct 10 ms 468 KB Output is correct
11 Correct 99 ms 516 KB Output is correct
12 Correct 93 ms 636 KB Output is correct
13 Correct 73 ms 512 KB Output is correct
14 Correct 13 ms 524 KB Output is correct
15 Correct 13 ms 520 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7452 ms 260440 KB Output is correct
2 Correct 7164 ms 260360 KB Output is correct
3 Correct 3949 ms 260256 KB Output is correct
4 Correct 7197 ms 260428 KB Output is correct
5 Correct 10380 ms 260432 KB Output is correct
6 Execution timed out 12068 ms 260228 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #3
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 468 KB Output is correct
2 Correct 9 ms 524 KB Output is correct
3 Correct 9 ms 468 KB Output is correct
4 Correct 10 ms 468 KB Output is correct
5 Correct 7 ms 468 KB Output is correct
6 Correct 9 ms 468 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 13 ms 468 KB Output is correct
10 Correct 10 ms 468 KB Output is correct
11 Correct 99 ms 516 KB Output is correct
12 Correct 93 ms 636 KB Output is correct
13 Correct 73 ms 512 KB Output is correct
14 Correct 13 ms 524 KB Output is correct
15 Correct 13 ms 520 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 7452 ms 260440 KB Output is correct
24 Correct 7164 ms 260360 KB Output is correct
25 Correct 3949 ms 260256 KB Output is correct
26 Correct 7197 ms 260428 KB Output is correct
27 Correct 10380 ms 260432 KB Output is correct
28 Execution timed out 12068 ms 260228 KB Time limit exceeded
29 Halted 0 ms 0 KB -