oj.uz

답안 #596857

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
596857 2022-07-15T08:05:21 Z 이동현(#8450) Fish 2 (JOI22_fish2) C++17
13 / 100
 4000 ms 3876 KB 
#include <bits/stdc++.h>
#define int long long
#pragma GCC optimize("O3")
#pragma GCC optimize9("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n; cin >> n;
    vector<int> a(n);
    for(int i = 0; i < n; ++i){
        cin >> a[i];
    }
    int q; cin >> q;
    while(q--){
        int t, x, y; cin >> t >> x >> y;
        if(t == 1){
            --x;
            a[x] = y;
        }
        else{
            --x, --y;
            vector<vector<int>> stk;
            vector<int> ans;
            stk.push_back({(int)1e9, x - 1, 0});
            int sum = 0;
            for(int i = x; i <= y; ++i){
                while(stk.back()[0] < a[i]){
                    stk.pop_back();
                }
                if(sum - stk.back()[2] < a[i]){
                    while((int)ans.size() && ans.back() > stk.back()[1]){
                        ans.pop_back();
                    }
                }
                sum += a[i];
                stk.push_back({a[i], i, sum});
                ans.push_back(i);
            }
            vector<int> acnt(n);
            for(auto&i:ans) ++acnt[i];
            stk.clear(), ans.clear();
            stk.push_back({(int)1e9, y + 1, 0});
            sum = 0;
            for(int i = y; i >= x; --i){
                while(stk.back()[0] < a[i]){
                    stk.pop_back();
                }
                if(sum - stk.back()[2] < a[i]){
                    while((int)ans.size() && ans.back() < stk.back()[1]){
                        ans.pop_back();
                    }
                }
                sum += a[i];
                stk.push_back({a[i], i, sum});
                ans.push_back(i);
            }
            for(auto&i:ans) ++acnt[i];
            int dap = 0;
            for(int i = x; i <= y; ++i) dap += (acnt[i] == 2);
            cout << dap << '\n';
        }
    }
    return 0;
}

Compilation message

fish2.cpp:4: warning: ignoring '#pragma GCC optimize9' [-Wunknown-pragmas]
    4 | #pragma GCC optimize9("Ofast")
      |

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 6 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 5 ms 212 KB Output is correct
9 Correct 8 ms 340 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 9 ms 336 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 7 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 5 ms 340 KB Output is correct
16 Correct 9 ms 336 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 8 ms 324 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 19 ms 340 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 15 ms 3032 KB Output is correct
3 Correct 15 ms 2004 KB Output is correct
4 Correct 16 ms 2512 KB Output is correct
5 Correct 15 ms 2016 KB Output is correct
6 Correct 20 ms 2512 KB Output is correct
7 Correct 15 ms 2136 KB Output is correct
8 Correct 20 ms 2504 KB Output is correct
9 Correct 14 ms 2132 KB Output is correct
10 Correct 16 ms 1996 KB Output is correct
11 Correct 14 ms 1892 KB Output is correct
12 Correct 15 ms 2580 KB Output is correct
13 Correct 16 ms 2640 KB Output is correct
14 Correct 17 ms 2516 KB Output is correct
15 Correct 17 ms 2512 KB Output is correct

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 6 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 5 ms 212 KB Output is correct
9 Correct 8 ms 340 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 9 ms 336 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 7 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 5 ms 340 KB Output is correct
16 Correct 9 ms 336 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 8 ms 324 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 19 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 15 ms 3032 KB Output is correct
23 Correct 15 ms 2004 KB Output is correct
24 Correct 16 ms 2512 KB Output is correct
25 Correct 15 ms 2016 KB Output is correct
26 Correct 20 ms 2512 KB Output is correct
27 Correct 15 ms 2136 KB Output is correct
28 Correct 20 ms 2504 KB Output is correct
29 Correct 14 ms 2132 KB Output is correct
30 Correct 16 ms 1996 KB Output is correct
31 Correct 14 ms 1892 KB Output is correct
32 Correct 15 ms 2580 KB Output is correct
33 Correct 16 ms 2640 KB Output is correct
34 Correct 17 ms 2516 KB Output is correct
35 Correct 17 ms 2512 KB Output is correct
36 Correct 1177 ms 2116 KB Output is correct
37 Correct 1834 ms 2808 KB Output is correct
38 Correct 2276 ms 2888 KB Output is correct
39 Correct 431 ms 2116 KB Output is correct
40 Correct 2447 ms 2708 KB Output is correct
41 Correct 2138 ms 3016 KB Output is correct
42 Correct 2828 ms 3092 KB Output is correct
43 Correct 2166 ms 2276 KB Output is correct
44 Correct 2636 ms 2388 KB Output is correct
45 Correct 1236 ms 2024 KB Output is correct
46 Correct 1728 ms 2608 KB Output is correct
47 Correct 2906 ms 2780 KB Output is correct
48 Correct 826 ms 2316 KB Output is correct
49 Correct 2772 ms 2464 KB Output is correct
50 Correct 1497 ms 3160 KB Output is correct
51 Execution timed out 4086 ms 3272 KB Time limit exceeded
52 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 15 ms 3032 KB Output is correct
3 Correct 15 ms 2004 KB Output is correct
4 Correct 16 ms 2512 KB Output is correct
5 Correct 15 ms 2016 KB Output is correct
6 Correct 20 ms 2512 KB Output is correct
7 Correct 15 ms 2136 KB Output is correct
8 Correct 20 ms 2504 KB Output is correct
9 Correct 14 ms 2132 KB Output is correct
10 Correct 16 ms 1996 KB Output is correct
11 Correct 14 ms 1892 KB Output is correct
12 Correct 15 ms 2580 KB Output is correct
13 Correct 16 ms 2640 KB Output is correct
14 Correct 17 ms 2516 KB Output is correct
15 Correct 17 ms 2512 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Execution timed out 4096 ms 2708 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 15 ms 3032 KB Output is correct
3 Correct 15 ms 2004 KB Output is correct
4 Correct 16 ms 2512 KB Output is correct
5 Correct 15 ms 2016 KB Output is correct
6 Correct 20 ms 2512 KB Output is correct
7 Correct 15 ms 2136 KB Output is correct
8 Correct 20 ms 2504 KB Output is correct
9 Correct 14 ms 2132 KB Output is correct
10 Correct 16 ms 1996 KB Output is correct
11 Correct 14 ms 1892 KB Output is correct
12 Correct 15 ms 2580 KB Output is correct
13 Correct 16 ms 2640 KB Output is correct
14 Correct 17 ms 2516 KB Output is correct
15 Correct 17 ms 2512 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Execution timed out 4073 ms 3876 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 212 KB Output is correct
6 Correct 6 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 5 ms 212 KB Output is correct
9 Correct 8 ms 340 KB Output is correct
10 Correct 3 ms 212 KB Output is correct
11 Correct 9 ms 336 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 7 ms 212 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 5 ms 340 KB Output is correct
16 Correct 9 ms 336 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 8 ms 324 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 19 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 15 ms 3032 KB Output is correct
23 Correct 15 ms 2004 KB Output is correct
24 Correct 16 ms 2512 KB Output is correct
25 Correct 15 ms 2016 KB Output is correct
26 Correct 20 ms 2512 KB Output is correct
27 Correct 15 ms 2136 KB Output is correct
28 Correct 20 ms 2504 KB Output is correct
29 Correct 14 ms 2132 KB Output is correct
30 Correct 16 ms 1996 KB Output is correct
31 Correct 14 ms 1892 KB Output is correct
32 Correct 15 ms 2580 KB Output is correct
33 Correct 16 ms 2640 KB Output is correct
34 Correct 17 ms 2516 KB Output is correct
35 Correct 17 ms 2512 KB Output is correct
36 Correct 1177 ms 2116 KB Output is correct
37 Correct 1834 ms 2808 KB Output is correct
38 Correct 2276 ms 2888 KB Output is correct
39 Correct 431 ms 2116 KB Output is correct
40 Correct 2447 ms 2708 KB Output is correct
41 Correct 2138 ms 3016 KB Output is correct
42 Correct 2828 ms 3092 KB Output is correct
43 Correct 2166 ms 2276 KB Output is correct
44 Correct 2636 ms 2388 KB Output is correct
45 Correct 1236 ms 2024 KB Output is correct
46 Correct 1728 ms 2608 KB Output is correct
47 Correct 2906 ms 2780 KB Output is correct
48 Correct 826 ms 2316 KB Output is correct
49 Correct 2772 ms 2464 KB Output is correct
50 Correct 1497 ms 3160 KB Output is correct
51 Execution timed out 4086 ms 3272 KB Time limit exceeded
52 Halted 0 ms 0 KB -