#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxN = 1001;
int par[maxN][2];
int ssize[maxN][2];
int FIND(int x, bool ktory){
if (par[x][ktory] == x) return x;
return par[x][ktory] = FIND(par[x][ktory],ktory);
}
void UNION(int x, int y,bool ktory){
int a = FIND(x,ktory);
int b = FIND(y,ktory);
if (a == b) return;
if (ssize[a][ktory] > ssize[b][ktory]) swap(a,b);
par[a][ktory] = b;
ssize[b][ktory] += ssize[a][ktory];
}
vector<int> cykl[maxN];
int construct(vector<vector<int> > p){
int n = p.size();
int i;
for (i = 0; i < n; i++){
par[i][0] = par[i][1] = i;
ssize[i][0] = ssize[i][1] = 1;
}
for (i = 0; i < n; i++){
for (int j = 0; j < n-1; j++){
if (p[i][j] == 3){
return 0;
}
if (p[i][j]){
UNION(i,j,0);
}
if (p[i][j] == 1){
UNION(i,j,1);
}
}
}
for (i = 0; i < n; i++){
for (int j = 0; j < n; j++){
if (i == j) continue;
if (!p[i][j] && FIND(i,0) == FIND(j,0)){
return 0;
}
if (p[i][j] == 1 && FIND(i,1) != FIND(j,1)){
return 0;
}
}
}
vector<vector<int> > wy;
wy.resize(n);
for (i = 0; i < n; i++){
wy[i].assign(n,0);
}
for (i = 0; i < n; i++){
if (FIND(i,1) != i){
wy[i][FIND(i,1)] = 1;
wy[FIND(i,1)][i] = 1;
}else{
cykl[FIND(i,0)].push_back(i);
}
}
for (i = 0; i < n; i++){
if (FIND(i,0) != i) continue;
if (cykl[i].size() == 2) return 0;
for (int j = 0; j < (int)cykl[i].size(); j++){
wy[cykl[i][j]][cykl[i][(j+1)%cykl[i].size()]] = 1;
wy[cykl[i][(j+1)%cykl[i].size()]][cykl[i][j]] = 1;
}
}
build(wy);
return 1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
b[0][0] is not 0 |
2 |
Halted |
0 ms |
0 KB |
- |