oj.uz

Submission #987187

# Submission time Handle Problem Language Result Execution time Memory
987187 2024-05-22T09:11:27 Z AdamGS Toy Train (IOI17_train) C++17
100 / 100
 1065 ms 1880 KB 
#include "train.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=5e3+7;
vector<int>V[LIM], S[LIM];
int deg[LIM];
vector<int>who_wins(vector<int>a, vector<int>r, vector<int>u, vector<int>v) {
  int n=a.size(), m=u.size();
  vector<int>ans(n);
  rep(i, m) {
    V[u[i]].pb(v[i]);
    S[v[i]].pb(u[i]);
  }
  rep(i, n) {
    rep(j, n) {
      ans[j]=0;
      if(r[j]) deg[j]=0;
      else if(!a[j]) deg[j]=V[j].size();
      else deg[j]=1;
    }
    queue<int>q;
    rep(j, n) if(deg[j]==0) q.push(j);
    while(!q.empty()) {
      int p=q.front(); q.pop();
      ans[p]=1;
      for(auto j : S[p]) {
        --deg[j];
        if(deg[j]==0) q.push(j);
      }
    }
    rep(j, n) if(r[j]) {
      int sum=0;
      for(auto l : V[j]) sum+=ans[l];
      if(a[j] && sum==0 || !a[j] && sum<V[j].size()) r[j]=0;
    }
  }
  return ans;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:40:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |       if(a[j] && sum==0 || !a[j] && sum<V[j].size()) r[j]=0;
      |                                     ~~~^~~~~~~~~~~~
train.cpp:40:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   40 |       if(a[j] && sum==0 || !a[j] && sum<V[j].size()) r[j]=0;

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 463 ms 1368 KB Output is correct
2 Correct 411 ms 1280 KB Output is correct
3 Correct 407 ms 1284 KB Output is correct
4 Correct 392 ms 1276 KB Output is correct
5 Correct 407 ms 1528 KB Output is correct
6 Correct 443 ms 1120 KB Output is correct
7 Correct 149 ms 1276 KB Output is correct
8 Correct 676 ms 1272 KB Output is correct
9 Correct 471 ms 1256 KB Output is correct
10 Correct 455 ms 1360 KB Output is correct
11 Correct 376 ms 1112 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 680 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 532 KB Output is correct
15 Correct 1 ms 676 KB Output is correct
16 Correct 1 ms 800 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 1 ms 604 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 136 ms 1556 KB Output is correct
2 Correct 146 ms 1624 KB Output is correct
3 Correct 161 ms 1744 KB Output is correct
4 Correct 920 ms 1720 KB Output is correct
5 Correct 471 ms 1716 KB Output is correct
6 Correct 105 ms 1704 KB Output is correct
7 Correct 1065 ms 1704 KB Output is correct
8 Correct 185 ms 1628 KB Output is correct
9 Correct 100 ms 1628 KB Output is correct
10 Correct 454 ms 1672 KB Output is correct
11 Correct 214 ms 1628 KB Output is correct
12 Correct 101 ms 1372 KB Output is correct
13 Correct 724 ms 1872 KB Output is correct
14 Correct 722 ms 1628 KB Output is correct
15 Correct 733 ms 1724 KB Output is correct
16 Correct 760 ms 1716 KB Output is correct
17 Correct 770 ms 1712 KB Output is correct
18 Correct 226 ms 1372 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 728 ms 1372 KB Output is correct
2 Correct 595 ms 1584 KB Output is correct
3 Correct 113 ms 1628 KB Output is correct
4 Correct 103 ms 1700 KB Output is correct
5 Correct 355 ms 1696 KB Output is correct
6 Correct 619 ms 1880 KB Output is correct
7 Correct 597 ms 1672 KB Output is correct
8 Correct 113 ms 1876 KB Output is correct
9 Correct 664 ms 1628 KB Output is correct
10 Correct 867 ms 1624 KB Output is correct
11 Correct 771 ms 1732 KB Output is correct
12 Correct 878 ms 1720 KB Output is correct
13 Correct 394 ms 1704 KB Output is correct
14 Correct 547 ms 1628 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 511 ms 1372 KB Output is correct
2 Correct 856 ms 1724 KB Output is correct
3 Correct 777 ms 1712 KB Output is correct
4 Correct 949 ms 1624 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 123 ms 1112 KB Output is correct
7 Correct 19 ms 1380 KB Output is correct
8 Correct 6 ms 1368 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 2 ms 860 KB Output is correct
11 Correct 21 ms 1368 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 463 ms 1368 KB Output is correct
2 Correct 411 ms 1280 KB Output is correct
3 Correct 407 ms 1284 KB Output is correct
4 Correct 392 ms 1276 KB Output is correct
5 Correct 407 ms 1528 KB Output is correct
6 Correct 443 ms 1120 KB Output is correct
7 Correct 149 ms 1276 KB Output is correct
8 Correct 676 ms 1272 KB Output is correct
9 Correct 471 ms 1256 KB Output is correct
10 Correct 455 ms 1360 KB Output is correct
11 Correct 376 ms 1112 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 680 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 532 KB Output is correct
26 Correct 1 ms 676 KB Output is correct
27 Correct 1 ms 800 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 136 ms 1556 KB Output is correct
33 Correct 146 ms 1624 KB Output is correct
34 Correct 161 ms 1744 KB Output is correct
35 Correct 920 ms 1720 KB Output is correct
36 Correct 471 ms 1716 KB Output is correct
37 Correct 105 ms 1704 KB Output is correct
38 Correct 1065 ms 1704 KB Output is correct
39 Correct 185 ms 1628 KB Output is correct
40 Correct 100 ms 1628 KB Output is correct
41 Correct 454 ms 1672 KB Output is correct
42 Correct 214 ms 1628 KB Output is correct
43 Correct 101 ms 1372 KB Output is correct
44 Correct 724 ms 1872 KB Output is correct
45 Correct 722 ms 1628 KB Output is correct
46 Correct 733 ms 1724 KB Output is correct
47 Correct 760 ms 1716 KB Output is correct
48 Correct 770 ms 1712 KB Output is correct
49 Correct 226 ms 1372 KB Output is correct
50 Correct 728 ms 1372 KB Output is correct
51 Correct 595 ms 1584 KB Output is correct
52 Correct 113 ms 1628 KB Output is correct
53 Correct 103 ms 1700 KB Output is correct
54 Correct 355 ms 1696 KB Output is correct
55 Correct 619 ms 1880 KB Output is correct
56 Correct 597 ms 1672 KB Output is correct
57 Correct 113 ms 1876 KB Output is correct
58 Correct 664 ms 1628 KB Output is correct
59 Correct 867 ms 1624 KB Output is correct
60 Correct 771 ms 1732 KB Output is correct
61 Correct 878 ms 1720 KB Output is correct
62 Correct 394 ms 1704 KB Output is correct
63 Correct 547 ms 1628 KB Output is correct
64 Correct 511 ms 1372 KB Output is correct
65 Correct 856 ms 1724 KB Output is correct
66 Correct 777 ms 1712 KB Output is correct
67 Correct 949 ms 1624 KB Output is correct
68 Correct 1 ms 600 KB Output is correct
69 Correct 123 ms 1112 KB Output is correct
70 Correct 19 ms 1380 KB Output is correct
71 Correct 6 ms 1368 KB Output is correct
72 Correct 11 ms 1368 KB Output is correct
73 Correct 2 ms 860 KB Output is correct
74 Correct 21 ms 1368 KB Output is correct
75 Correct 136 ms 1628 KB Output is correct
76 Correct 173 ms 1628 KB Output is correct
77 Correct 188 ms 1624 KB Output is correct
78 Correct 187 ms 1752 KB Output is correct
79 Correct 184 ms 1760 KB Output is correct
80 Correct 1002 ms 1876 KB Output is correct
81 Correct 370 ms 1628 KB Output is correct
82 Correct 508 ms 1876 KB Output is correct
83 Correct 492 ms 1716 KB Output is correct
84 Correct 257 ms 1624 KB Output is correct
85 Correct 110 ms 1700 KB Output is correct
86 Correct 203 ms 1716 KB Output is correct
87 Correct 105 ms 1624 KB Output is correct
88 Correct 219 ms 1628 KB Output is correct
89 Correct 400 ms 1704 KB Output is correct
90 Correct 127 ms 1628 KB Output is correct
91 Correct 133 ms 1712 KB Output is correct
92 Correct 352 ms 1724 KB Output is correct
93 Correct 201 ms 1628 KB Output is correct
94 Correct 191 ms 1712 KB Output is correct
95 Correct 383 ms 1872 KB Output is correct
96 Correct 634 ms 1640 KB Output is correct
97 Correct 264 ms 1628 KB Output is correct
98 Correct 322 ms 1708 KB Output is correct
99 Correct 321 ms 1668 KB Output is correct
100 Correct 224 ms 1368 KB Output is correct