# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
336137 |
2020-12-14T20:41:58 Z |
bigDuck |
Game (IOI14_game) |
C++14 |
|
1000 ms |
13676 KB |
#include<bits/stdc++.h>
using namespace std;
#define INIT ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#include "game.h"
multiset<int> g[1510];
int N;
void initialize(int n) {
N=n;
for(int i=0; i<n; i++){
for(int j=i+1; j<n; j++){
g[i].insert(j); g[j].insert(i);
}
}
}
int v[1510];
int is_bridge(int x, int y, int ac){
int n=N;
queue<int> q1, q2;
v[x]=ac; v[y]=ac+1;
q1.push(x); q2.push(y);
while((!q1.empty()) && (!q2.empty()) ){
int f1=q1.front(); q1.pop();
//cout<<"f1: "<<f1<<" ";
if( (v[f1]==(ac+1) ) ){
g[x].erase(g[x].find(y)); g[y].erase(g[y].find(x) );
//cout<<"\n"<<flush;
return 0;
}
v[f1]=ac;
for(auto it=g[f1].begin(); it!=g[f1].end(); it++){
//cout<<*it<<" ";
if( (v[*it]!=ac) && ( (*it)!=y) ){
//cout<<*it<<"g1 ";
if( v[*it]==(ac+1) ){
g[x].erase(g[x].find(y)); g[y].erase(g[y].find(x) );
//cout<<"\n"<<flush;
return 0;
}
v[*it]=ac;
q1.push(*it);
}
}
//cout<<"2x\n";
int f2=q2.front(); q2.pop();
//cout<<"f2: "<<f2<<" ";
if( (v[f2]==(ac) ) ){
g[x].erase(g[x].find(y)); g[y].erase(g[y].find(x) );
// cout<<"\n"<<flush;
return 0;
}
v[f2]=ac+1;
for(auto it=g[f2].begin(); it!=g[f2].end(); it++){
//cout<<*it<<" ";
if( (v[*it]!=(ac+1)) && ( (*it)!=x ) ){
if( v[*it]==(ac) ){
g[x].erase(g[x].find(y)); g[y].erase(g[y].find(x) );
//cout<<"\n"<<flush;
return 0;
}
v[*it]=ac+1;
q2.push(*it);
}
}
}
//cout<<"\n"<<flush;
return 1;
}
int ac=1;
int hasEdge(int u, int v) {
ac+=3;
return is_bridge(u, v, ac);
}
Compilation message
game.cpp: In function 'int is_bridge(int, int, int)':
game.cpp:34:5: warning: unused variable 'n' [-Wunused-variable]
34 | int n=N;
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
512 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
2 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
6 ms |
748 KB |
Output is correct |
35 |
Correct |
6 ms |
748 KB |
Output is correct |
36 |
Correct |
6 ms |
748 KB |
Output is correct |
37 |
Correct |
6 ms |
748 KB |
Output is correct |
38 |
Correct |
6 ms |
748 KB |
Output is correct |
39 |
Correct |
6 ms |
876 KB |
Output is correct |
40 |
Correct |
8 ms |
748 KB |
Output is correct |
41 |
Correct |
6 ms |
748 KB |
Output is correct |
42 |
Correct |
5 ms |
748 KB |
Output is correct |
43 |
Correct |
5 ms |
748 KB |
Output is correct |
44 |
Correct |
4 ms |
748 KB |
Output is correct |
45 |
Correct |
6 ms |
748 KB |
Output is correct |
46 |
Correct |
6 ms |
748 KB |
Output is correct |
47 |
Correct |
6 ms |
748 KB |
Output is correct |
48 |
Correct |
5 ms |
748 KB |
Output is correct |
49 |
Correct |
6 ms |
876 KB |
Output is correct |
50 |
Correct |
6 ms |
748 KB |
Output is correct |
51 |
Correct |
6 ms |
748 KB |
Output is correct |
52 |
Correct |
6 ms |
748 KB |
Output is correct |
53 |
Correct |
8 ms |
748 KB |
Output is correct |
54 |
Correct |
6 ms |
748 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
500 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
620 KB |
Output is correct |
34 |
Correct |
5 ms |
748 KB |
Output is correct |
35 |
Correct |
5 ms |
748 KB |
Output is correct |
36 |
Correct |
5 ms |
748 KB |
Output is correct |
37 |
Correct |
7 ms |
748 KB |
Output is correct |
38 |
Correct |
6 ms |
748 KB |
Output is correct |
39 |
Correct |
5 ms |
748 KB |
Output is correct |
40 |
Correct |
5 ms |
748 KB |
Output is correct |
41 |
Correct |
6 ms |
748 KB |
Output is correct |
42 |
Correct |
6 ms |
748 KB |
Output is correct |
43 |
Correct |
5 ms |
748 KB |
Output is correct |
44 |
Correct |
5 ms |
748 KB |
Output is correct |
45 |
Correct |
7 ms |
748 KB |
Output is correct |
46 |
Correct |
5 ms |
748 KB |
Output is correct |
47 |
Correct |
5 ms |
748 KB |
Output is correct |
48 |
Correct |
6 ms |
748 KB |
Output is correct |
49 |
Correct |
6 ms |
748 KB |
Output is correct |
50 |
Correct |
6 ms |
748 KB |
Output is correct |
51 |
Correct |
6 ms |
748 KB |
Output is correct |
52 |
Correct |
6 ms |
892 KB |
Output is correct |
53 |
Correct |
6 ms |
748 KB |
Output is correct |
54 |
Correct |
6 ms |
748 KB |
Output is correct |
55 |
Execution timed out |
1095 ms |
13676 KB |
Time limit exceeded |
56 |
Halted |
0 ms |
0 KB |
- |