oj.uz

답안 #589689

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
589689 2022-07-05T06:30:08 Z 이동현(#8410) 놀이터에 떨어진 이상한 약 (FXCUP3_gorgeous) C++14
100 / 100
 492 ms 32380 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

const int NS = (int)3e5 + 4;
int tr[NS * 4];

void push(int x, int s, int e, int pos, int val){
    if(pos < s || pos > e) return;
    if(s == e){
        tr[x] = max(tr[x], val);
        return;
    }
    int m = s + e >> 1;
    push(x * 2, s, m, pos, val);
    push(x * 2 + 1, m + 1, e, pos, val);
    tr[x] = max(tr[x * 2], tr[x * 2 + 1]);
}

int get(int x, int s, int e, int fs, int fe){
    if(fe < s || fs > e) return 0;
    if(fs <= s && fe >= e) return tr[x];
    int m = s + e >> 1;
    return max(get(x * 2, s, m, fs, fe), get(x * 2 + 1, m + 1, e, fs, fe));
}

signed main(){
    int n; cin >> n;
    vector<int> a(n), b(n);
    for(int i = 0; i < n; ++i){
        cin >> a[i];
    }
    for(int i = 0; i < n; ++i){
        cin >> b[i];
    }
    vector<pair<int, int>> ij;
    for(int i = 0; i < n; ++i){
        if(a[i] > 1 && i + a[i] - 1 < n) ij.push_back({i, i + a[i] - 1});
        if(a[i] > 1 && i - a[i] + 1 >= 0) ij.push_back({i - a[i] + 1, i});
    }
    sort(ij.begin(), ij.end(), [&](pair<int, int>&x, pair<int, int>&y){return x.first < y.first || (x.first == y.first && x.second > y.second);});
    int j = 0;
    vector<int> ans(n);
    for(int i = 0; i < n; ++i){
        int k = j;
        vector<vector<int>> plazy;
        while(k < (int)ij.size() && ij[k].first == i){
            int val = get(1, 0, n - 1, ij[k].second, n - 1);
            if(ij[k].second - ij[k].first + 1 == a[ij[k].first]){
                plazy.push_back({ij[k].second, val + b[ij[k].first]});
            }
            if(ij[k].second - ij[k].first + 1 == a[ij[k].second]){
                push(1, 0, n - 1, ij[k].second - 1, val + b[ij[k].second]);
            }
            ++k;
        }
        j = k;
        ans[i] = get(1, 0, n - 1, i, n - 1) + (a[i] == 1) * b[i];
        for(auto&x:plazy){
            push(1, 0, n - 1, x[0], x[1]);
        }
    }
    for(int i = 0; i < n; ++i){
        cout << ans[i] << ' ';
    }
    return 0;
}

Compilation message

gorgeous.cpp: In function 'void push(long long int, long long int, long long int, long long int, long long int)':
gorgeous.cpp:14:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   14 |     int m = s + e >> 1;
      |             ~~^~~
gorgeous.cpp: In function 'long long int get(long long int, long long int, long long int, long long int, long long int)':
gorgeous.cpp:23:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |     int m = s + e >> 1;
      |             ~~^~~

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct

Subtask #2
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 388 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 308 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 388 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 7 ms 852 KB Output is correct
17 Correct 30 ms 2288 KB Output is correct
18 Correct 129 ms 8636 KB Output is correct
19 Correct 164 ms 10780 KB Output is correct
20 Correct 492 ms 27952 KB Output is correct
21 Correct 469 ms 28880 KB Output is correct
22 Correct 429 ms 28896 KB Output is correct
23 Correct 471 ms 28940 KB Output is correct
24 Correct 480 ms 28892 KB Output is correct
25 Correct 420 ms 32380 KB Output is correct