oj.uz

Submission #419535

# Submission time Handle Problem Language Result Execution time Memory
419535 2021-06-07T08:45:59 Z 2fat2code Toy Train (IOI17_train) C++17
100 / 100
 1499 ms 99524 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define fr first
#define sc second
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)

const int nmax = 5005;
const int mmax = 20005;

int n, m;
vector<int>nod[nmax], nod1[nmax];

void computeset(vector<int>&vecc, vector<int>&marked, vector<int>&host, int player){
    vector<int>cnt(n);
    for(int i=0;i<n;i++){
        for(auto it : nod[i]){
            if(marked[it] || vecc[it]){
                cnt[i]++;
            }
        }
    }
    vector<int>procesare;
    for(int i=0;i<n;i++){
        if(!marked[i] && !vecc[i] && host[i] != player && cnt[i] == nod[i].size()){
            procesare.push_back(i);
        }
        else if(host[i] == player && !vecc[i] && !marked[i]){
            for(auto it : nod[i]){
                if(vecc[it]){
                    procesare.push_back(i);
                }
            }
        }
    }
    while(procesare.size()){
        auto it = procesare.back();
        procesare.pop_back();
        if(vecc[it] == 1){
            continue;
        }
        vecc[it] = 1;
        for(auto it1 : nod1[it]){
            if(!marked[it1] && !vecc[it1]){
                if(host[it1] == player){
                    procesare.push_back(it1);
                }
                else{
                    cnt[it1]++;
                    if(cnt[it1] == (int)nod[it1].size()){
                        procesare.push_back(it1);
                    }
                }
            }
        }
    }
}

void compute(vector<int>&marked, vector<int>&host, vector<int>&baterii){
    int cnt = 0;
    vector<int>r(n);
    for(int i=0;i<n;i++){
        if(baterii[i] && !marked[i]){
            r[i] = 1;
            cnt++;
        }
    }
    if(!cnt){
        for(int i=0;i<n;i++){
            marked[i] = 1;
        }
        return;
    }

    computeset(r, marked, host, 1);
    vector<int>b(n);
    cnt = 0;
    for(int i=0;i<n;i++){
        if(!marked[i] && !r[i]){
            b[i] = 1;
            cnt++;
        }
    }
    if(!cnt){
        return;
    }
    computeset(b, marked, host, 0);
    for(int i=0;i<n;i++){
        if(b[i] == 1){
            marked[i] = 1;
        }
    }
    compute(marked, host, baterii);
    return;
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
    m = (int)u.size();
    for(int i=0;i<m;i++){
        nod[u[i]].push_back(v[i]);
        nod1[v[i]].push_back(u[i]);
    }
    vector<int>ans(n);
    compute(ans, a, r);
    for(int i=0;i<n;i++) ans[i] ^= 1;
    return ans;
}

Compilation message

train.cpp: In function 'void computeset(std::vector<int>&, std::vector<int>&, std::vector<int>&, int)':
train.cpp:31:66: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         if(!marked[i] && !vecc[i] && host[i] != player && cnt[i] == nod[i].size()){

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1228 KB Output is correct
2 Correct 8 ms 1436 KB Output is correct
3 Correct 7 ms 1356 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 6 ms 1228 KB Output is correct
6 Correct 8 ms 1220 KB Output is correct
7 Correct 5 ms 1208 KB Output is correct
8 Correct 6 ms 1356 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 5 ms 1176 KB Output is correct
11 Correct 5 ms 1100 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 532 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 536 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 242 ms 20984 KB Output is correct
2 Correct 471 ms 40900 KB Output is correct
3 Correct 649 ms 60436 KB Output is correct
4 Correct 11 ms 1612 KB Output is correct
5 Correct 12 ms 1740 KB Output is correct
6 Correct 12 ms 1764 KB Output is correct
7 Correct 13 ms 1564 KB Output is correct
8 Correct 10 ms 1644 KB Output is correct
9 Correct 12 ms 1564 KB Output is correct
10 Correct 12 ms 1484 KB Output is correct
11 Correct 10 ms 1468 KB Output is correct
12 Correct 12 ms 1484 KB Output is correct
13 Correct 13 ms 1612 KB Output is correct
14 Correct 12 ms 1612 KB Output is correct
15 Correct 10 ms 1612 KB Output is correct
16 Correct 10 ms 1664 KB Output is correct
17 Correct 12 ms 1604 KB Output is correct
18 Correct 733 ms 99428 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1192 KB Output is correct
2 Correct 9 ms 1484 KB Output is correct
3 Correct 9 ms 1568 KB Output is correct
4 Correct 9 ms 1612 KB Output is correct
5 Correct 9 ms 1564 KB Output is correct
6 Correct 13 ms 1568 KB Output is correct
7 Correct 10 ms 1612 KB Output is correct
8 Correct 9 ms 1484 KB Output is correct
9 Correct 11 ms 1476 KB Output is correct
10 Correct 12 ms 1612 KB Output is correct
11 Correct 9 ms 1612 KB Output is correct
12 Correct 9 ms 1612 KB Output is correct
13 Correct 10 ms 1572 KB Output is correct
14 Correct 9 ms 1532 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1368 KB Output is correct
2 Correct 9 ms 1612 KB Output is correct
3 Correct 11 ms 1640 KB Output is correct
4 Correct 9 ms 1484 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 5 ms 1140 KB Output is correct
7 Correct 6 ms 1228 KB Output is correct
8 Correct 6 ms 1312 KB Output is correct
9 Correct 8 ms 1228 KB Output is correct
10 Correct 3 ms 736 KB Output is correct
11 Correct 6 ms 1100 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1228 KB Output is correct
2 Correct 8 ms 1436 KB Output is correct
3 Correct 7 ms 1356 KB Output is correct
4 Correct 7 ms 1356 KB Output is correct
5 Correct 6 ms 1228 KB Output is correct
6 Correct 8 ms 1220 KB Output is correct
7 Correct 5 ms 1208 KB Output is correct
8 Correct 6 ms 1356 KB Output is correct
9 Correct 6 ms 1204 KB Output is correct
10 Correct 5 ms 1176 KB Output is correct
11 Correct 5 ms 1100 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 532 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 536 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 242 ms 20984 KB Output is correct
33 Correct 471 ms 40900 KB Output is correct
34 Correct 649 ms 60436 KB Output is correct
35 Correct 11 ms 1612 KB Output is correct
36 Correct 12 ms 1740 KB Output is correct
37 Correct 12 ms 1764 KB Output is correct
38 Correct 13 ms 1564 KB Output is correct
39 Correct 10 ms 1644 KB Output is correct
40 Correct 12 ms 1564 KB Output is correct
41 Correct 12 ms 1484 KB Output is correct
42 Correct 10 ms 1468 KB Output is correct
43 Correct 12 ms 1484 KB Output is correct
44 Correct 13 ms 1612 KB Output is correct
45 Correct 12 ms 1612 KB Output is correct
46 Correct 10 ms 1612 KB Output is correct
47 Correct 10 ms 1664 KB Output is correct
48 Correct 12 ms 1604 KB Output is correct
49 Correct 733 ms 99428 KB Output is correct
50 Correct 7 ms 1192 KB Output is correct
51 Correct 9 ms 1484 KB Output is correct
52 Correct 9 ms 1568 KB Output is correct
53 Correct 9 ms 1612 KB Output is correct
54 Correct 9 ms 1564 KB Output is correct
55 Correct 13 ms 1568 KB Output is correct
56 Correct 10 ms 1612 KB Output is correct
57 Correct 9 ms 1484 KB Output is correct
58 Correct 11 ms 1476 KB Output is correct
59 Correct 12 ms 1612 KB Output is correct
60 Correct 9 ms 1612 KB Output is correct
61 Correct 9 ms 1612 KB Output is correct
62 Correct 10 ms 1572 KB Output is correct
63 Correct 9 ms 1532 KB Output is correct
64 Correct 10 ms 1368 KB Output is correct
65 Correct 9 ms 1612 KB Output is correct
66 Correct 11 ms 1640 KB Output is correct
67 Correct 9 ms 1484 KB Output is correct
68 Correct 1 ms 588 KB Output is correct
69 Correct 5 ms 1140 KB Output is correct
70 Correct 6 ms 1228 KB Output is correct
71 Correct 6 ms 1312 KB Output is correct
72 Correct 8 ms 1228 KB Output is correct
73 Correct 3 ms 736 KB Output is correct
74 Correct 6 ms 1100 KB Output is correct
75 Correct 262 ms 40760 KB Output is correct
76 Correct 500 ms 40900 KB Output is correct
77 Correct 742 ms 60532 KB Output is correct
78 Correct 740 ms 60716 KB Output is correct
79 Correct 737 ms 60508 KB Output is correct
80 Correct 10 ms 1612 KB Output is correct
81 Correct 10 ms 1640 KB Output is correct
82 Correct 12 ms 1704 KB Output is correct
83 Correct 16 ms 1740 KB Output is correct
84 Correct 15 ms 1720 KB Output is correct
85 Correct 12 ms 1744 KB Output is correct
86 Correct 14 ms 1740 KB Output is correct
87 Correct 11 ms 1568 KB Output is correct
88 Correct 17 ms 1904 KB Output is correct
89 Correct 14 ms 1720 KB Output is correct
90 Correct 23 ms 2244 KB Output is correct
91 Correct 22 ms 2336 KB Output is correct
92 Correct 47 ms 3480 KB Output is correct
93 Correct 45 ms 3448 KB Output is correct
94 Correct 47 ms 3572 KB Output is correct
95 Correct 52 ms 3524 KB Output is correct
96 Correct 150 ms 9324 KB Output is correct
97 Correct 880 ms 56524 KB Output is correct
98 Correct 1366 ms 80220 KB Output is correct
99 Correct 1499 ms 98992 KB Output is correct
100 Correct 760 ms 99524 KB Output is correct