# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
470424 | 2021-09-03T17:32:09 Z | jazzup | Connecting Supertrees (IOI20_supertrees) | C++14 | 270 ms | 22148 KB |
#include "supertrees.h" #include <vector> #include <cstdio> using namespace std; int par[1010]; vector<int> heads; int findPar(int n){ if(par[n]==n)return n; return par[n]=findPar(par[n]); } bool c[1010]; vector<vector<int> > answer; int construct(vector<vector<int> > p) { int n = p.size(); for(int i=0;i<=n;i++){ par[i]=i; } for(int i=0;i<n;i++){ vector<int> vv; answer.push_back(vv); for(int j=0;j<n;j++){ answer[i].push_back(0); } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ if(p[i][j]!=p[j][i])return 0; } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ if(p[i][j]==3)return 0; if(p[i][j]==1){ if(findPar(i)<findPar(j)){ par[findPar(j)]=findPar(i); answer[j][findPar(j)]=1; answer[findPar(j)][j]=1; } else if(findPar(i)>findPar(j)){ par[findPar(i)]=findPar(j); answer[i][findPar(i)]=1; answer[findPar(i)][i]=1; } } } } for(int i=0;i<n-1;i++){ for(int j=i+1;j<n;j++){ // if(i==j)continue; if(p[i][j]==2){ if(findPar(i)==findPar(j)){ return 0; } c[findPar(i)]=true; c[findPar(j)]=true; if(findPar(i)<findPar(j)){ par[findPar(j)]=findPar(i); } else if(findPar(i)>findPar(j)){ par[findPar(i)]=findPar(j); } } } } for(int i=0;i<n;i++){ if(c[i])heads.push_back(i); } if(!heads.empty()){ for(int i=0;i<heads.size()-1;i++){ answer[heads[i]][heads[i+1]]=1; answer[heads[i+1]][heads[i]]=1; } answer[heads[heads.size()-1]][heads[0]]=1; answer[heads[0]][heads[heads.size()-1]]=1; } if(heads.size()==2)return 0; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ if(i==j)continue; else if(p[i][j]==0){ if(findPar(i)==findPar(j)){ return 0; } } } } build(answer); return 1; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 10 ms | 1168 KB | Output is correct |
7 | Correct | 252 ms | 22136 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 10 ms | 1168 KB | Output is correct |
7 | Correct | 252 ms | 22136 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 10 ms | 1208 KB | Output is correct |
13 | Correct | 245 ms | 22140 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 1 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 122 ms | 12160 KB | Output is correct |
18 | Correct | 0 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 63 ms | 5736 KB | Output is correct |
21 | Correct | 254 ms | 22084 KB | Output is correct |
22 | Correct | 256 ms | 22128 KB | Output is correct |
23 | Correct | 270 ms | 22032 KB | Output is correct |
24 | Correct | 248 ms | 22084 KB | Output is correct |
25 | Correct | 114 ms | 12228 KB | Output is correct |
26 | Correct | 108 ms | 12160 KB | Output is correct |
27 | Correct | 261 ms | 22084 KB | Output is correct |
28 | Correct | 250 ms | 22148 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Incorrect | 0 ms | 204 KB | Answer gives possible 0 while actual possible 1 |
6 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 204 KB | Output is correct |
2 | Incorrect | 0 ms | 204 KB | Answer gives possible 0 while actual possible 1 |
3 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 10 ms | 1168 KB | Output is correct |
7 | Correct | 252 ms | 22136 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 10 ms | 1208 KB | Output is correct |
13 | Correct | 245 ms | 22140 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 1 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 122 ms | 12160 KB | Output is correct |
18 | Correct | 0 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 63 ms | 5736 KB | Output is correct |
21 | Correct | 254 ms | 22084 KB | Output is correct |
22 | Correct | 256 ms | 22128 KB | Output is correct |
23 | Correct | 270 ms | 22032 KB | Output is correct |
24 | Correct | 248 ms | 22084 KB | Output is correct |
25 | Correct | 114 ms | 12228 KB | Output is correct |
26 | Correct | 108 ms | 12160 KB | Output is correct |
27 | Correct | 261 ms | 22084 KB | Output is correct |
28 | Correct | 250 ms | 22148 KB | Output is correct |
29 | Correct | 0 ms | 204 KB | Output is correct |
30 | Correct | 0 ms | 204 KB | Output is correct |
31 | Correct | 0 ms | 204 KB | Output is correct |
32 | Correct | 0 ms | 204 KB | Output is correct |
33 | Incorrect | 0 ms | 204 KB | Answer gives possible 0 while actual possible 1 |
34 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 204 KB | Output is correct |
2 | Correct | 0 ms | 204 KB | Output is correct |
3 | Correct | 0 ms | 204 KB | Output is correct |
4 | Correct | 0 ms | 204 KB | Output is correct |
5 | Correct | 0 ms | 204 KB | Output is correct |
6 | Correct | 10 ms | 1168 KB | Output is correct |
7 | Correct | 252 ms | 22136 KB | Output is correct |
8 | Correct | 0 ms | 204 KB | Output is correct |
9 | Correct | 0 ms | 204 KB | Output is correct |
10 | Correct | 0 ms | 204 KB | Output is correct |
11 | Correct | 0 ms | 204 KB | Output is correct |
12 | Correct | 10 ms | 1208 KB | Output is correct |
13 | Correct | 245 ms | 22140 KB | Output is correct |
14 | Correct | 0 ms | 204 KB | Output is correct |
15 | Correct | 1 ms | 204 KB | Output is correct |
16 | Correct | 5 ms | 716 KB | Output is correct |
17 | Correct | 122 ms | 12160 KB | Output is correct |
18 | Correct | 0 ms | 204 KB | Output is correct |
19 | Correct | 0 ms | 204 KB | Output is correct |
20 | Correct | 63 ms | 5736 KB | Output is correct |
21 | Correct | 254 ms | 22084 KB | Output is correct |
22 | Correct | 256 ms | 22128 KB | Output is correct |
23 | Correct | 270 ms | 22032 KB | Output is correct |
24 | Correct | 248 ms | 22084 KB | Output is correct |
25 | Correct | 114 ms | 12228 KB | Output is correct |
26 | Correct | 108 ms | 12160 KB | Output is correct |
27 | Correct | 261 ms | 22084 KB | Output is correct |
28 | Correct | 250 ms | 22148 KB | Output is correct |
29 | Correct | 0 ms | 204 KB | Output is correct |
30 | Correct | 0 ms | 204 KB | Output is correct |
31 | Correct | 0 ms | 204 KB | Output is correct |
32 | Correct | 0 ms | 204 KB | Output is correct |
33 | Incorrect | 0 ms | 204 KB | Answer gives possible 0 while actual possible 1 |
34 | Halted | 0 ms | 0 KB | - |