oj.uz

Submission #559585

# Submission time Handle Problem Language Result Execution time Memory
559585 2022-05-10T08:41:32 Z neki Handcrafted Gift (IOI20_gift) C++14
100 / 100
 297 ms 66112 KB 
#include <bits/stdc++.h>
#include "gift.h"
#define ll long long
#define vc vector
using namespace std;


int construct(int n, int r, vc<int> a, vc<int> b, vc<int> x){
    
    vc<vc<vc<int>>> ques(3, vc<vc<int>> (n));
    for(int i=0;i<r;++i) ques[x[i]][b[i]].push_back(a[i]);
    
    vc<pair<int, int>> ints;
    for(int i=0;i<n;++i){
        for(auto q: ques[1][i]){
            while(ints.size() and q<=ints.back().second) ints.pop_back();
        }
        if(ints.size()==0) ints.emplace_back(0, i);
        else if(ints.back().second<i) ints.emplace_back(ints.back().second+1, i);
    }
    
    int br=1, j=0;
    for(int i=0;i<n;++i){
        while(ints[j].second<i)++j;
        for(auto q: ques[2][i]) if(ints[j].first<=q) br=0;
    }
    
    if(br){
        string ans="";
        char cur='R';
        for(auto i:ints){
            for(int j=i.first;j<=i.second;++j) ans+=cur;
            
            if(cur=='R') cur='B';
            else cur='R';
        }
        craft(ans);
        return 1;
    }
    else return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 4 ms 1528 KB Output is correct
5 Correct 205 ms 61988 KB Output is correct
6 Correct 184 ms 61920 KB Output is correct
7 Correct 245 ms 62024 KB Output is correct
8 Correct 251 ms 61900 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 1588 KB Output is correct
4 Correct 275 ms 64064 KB Output is correct
5 Correct 279 ms 64104 KB Output is correct
6 Correct 284 ms 64200 KB Output is correct
7 Correct 297 ms 64188 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 2 ms 468 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 2 ms 564 KB Output is correct
9 Correct 2 ms 564 KB Output is correct
10 Correct 2 ms 468 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 4 ms 1528 KB Output is correct
5 Correct 205 ms 61988 KB Output is correct
6 Correct 184 ms 61920 KB Output is correct
7 Correct 245 ms 62024 KB Output is correct
8 Correct 251 ms 61900 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 5 ms 1588 KB Output is correct
12 Correct 275 ms 64064 KB Output is correct
13 Correct 279 ms 64104 KB Output is correct
14 Correct 284 ms 64200 KB Output is correct
15 Correct 297 ms 64188 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 564 KB Output is correct
33 Correct 2 ms 564 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 39 ms 47264 KB Output is correct
36 Correct 37 ms 47352 KB Output is correct
37 Correct 49 ms 48028 KB Output is correct
38 Correct 271 ms 66112 KB Output is correct
39 Correct 289 ms 65920 KB Output is correct
40 Correct 292 ms 65928 KB Output is correct
41 Correct 291 ms 65916 KB Output is correct
42 Correct 253 ms 65788 KB Output is correct