| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 605031 |
2022-07-25T12:23:01 Z |
HediChehaidar |
Game (IOI14_game) |
C++17 |
|
415 ms |
28256 KB |
#include<bits/stdc++.h>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;
ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD)
ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM)
#define ss second
#define ff first
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define vi vector<int>
#define vii vector<pair<int,int>>
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pdd pair<double,double>
#define vdd vector<pdd>
#define dte tuple<double , double , double>
using namespace std;
const int INF = 1000*1000*1000; // 1 e 9
const int MOD = 1e9 + 7;//998244353 ;
const double EPS = 0.000000001; // 1 e -9
const ll inf = (ll)2e18;
int cur ;
int g[2020][2020];
int nb[2020];
int n;
set<int> s;
int id[2020];
int ran[2020];
int getid(int x){
return id[x] == x ? x : id[x] = getid(id[x]);
}
void uni(int x , int y){
x = getid(x); y = getid(y);
if(ran[x] > ran[y]) swap(x , y);
ran[y] += ran[x];
for(int c = 0 ; c < n ; c++) g[y][c] = g[c][y] = g[c][y] + g[c][x];
for(int i = 0 ; i < n ; i++) g[x][i] = g[i][x] = 0;
id[x] = y;
}
int hasEdge(int u, int v){
u = getid(u); v = getid(v);
if(g[u][v] > 1){
g[u][v]--; g[v][u]--; return 0;
}
assert(g[u][v] == 1);
g[u][v] = g[v][u] = 0;
uni(u , v);
return 1;
}
void initialize(int N){
n = N;
for(int i = 0 ; i < n ; i++) {
for(int j = 0 ; j < n ; j++){
g[i][j] = g[j][i] = 1;
}
}
for(int i = 0 ; i < n ; i++) g[i][i] = 0;
for(int i = 0 ; i < n ; i++) {
id[i] = i; ran[i] = 1;
}
}
/*int main(){
//ifstream fin ("testing.txt");
//ofstream fout ("output.txt");
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int n; cin>>n;
initialize(n);
for(int i = 0 ; i < (n * (n - 1)) / 2 ; i++){
int u , v; cin>>u>>v; cout<< hasEdge(u , v) << endl;
}
return 0;
}
*/
/*
Think of : BS / DFS / BFS / SSSP / SCC / MSP / MAX FLOW / TOPSORT / LCA / MATRIX / DP(bitmask) / 2 POINTERS / SEG TREE / MATH / UN FIND / MO / HLD
Read the statement CAREFULLY !!
Make a GREADY APPROACH !!!! (start from highest / lowest)
Make your own TESTS !!
Be careful from CORNER CASES !
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
244 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
304 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
312 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
320 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
320 KB |
Output is correct |
| 15 |
Correct |
1 ms |
316 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
312 KB |
Output is correct |
| 25 |
Correct |
1 ms |
440 KB |
Output is correct |
| 26 |
Correct |
1 ms |
468 KB |
Output is correct |
| 27 |
Correct |
1 ms |
468 KB |
Output is correct |
| 28 |
Correct |
1 ms |
468 KB |
Output is correct |
| 29 |
Correct |
1 ms |
468 KB |
Output is correct |
| 30 |
Correct |
1 ms |
468 KB |
Output is correct |
| 31 |
Correct |
1 ms |
468 KB |
Output is correct |
| 32 |
Correct |
1 ms |
468 KB |
Output is correct |
| 33 |
Correct |
1 ms |
468 KB |
Output is correct |
| 34 |
Correct |
2 ms |
708 KB |
Output is correct |
| 35 |
Correct |
2 ms |
596 KB |
Output is correct |
| 36 |
Correct |
2 ms |
596 KB |
Output is correct |
| 37 |
Correct |
1 ms |
596 KB |
Output is correct |
| 38 |
Correct |
2 ms |
596 KB |
Output is correct |
| 39 |
Correct |
2 ms |
596 KB |
Output is correct |
| 40 |
Correct |
1 ms |
692 KB |
Output is correct |
| 41 |
Correct |
2 ms |
596 KB |
Output is correct |
| 42 |
Correct |
2 ms |
596 KB |
Output is correct |
| 43 |
Correct |
1 ms |
596 KB |
Output is correct |
| 44 |
Correct |
1 ms |
596 KB |
Output is correct |
| 45 |
Correct |
1 ms |
596 KB |
Output is correct |
| 46 |
Correct |
1 ms |
708 KB |
Output is correct |
| 47 |
Correct |
1 ms |
596 KB |
Output is correct |
| 48 |
Correct |
1 ms |
596 KB |
Output is correct |
| 49 |
Correct |
2 ms |
596 KB |
Output is correct |
| 50 |
Correct |
1 ms |
596 KB |
Output is correct |
| 51 |
Correct |
1 ms |
596 KB |
Output is correct |
| 52 |
Correct |
2 ms |
596 KB |
Output is correct |
| 53 |
Correct |
2 ms |
708 KB |
Output is correct |
| 54 |
Correct |
3 ms |
596 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
312 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
312 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
316 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
468 KB |
Output is correct |
| 27 |
Correct |
1 ms |
468 KB |
Output is correct |
| 28 |
Correct |
1 ms |
468 KB |
Output is correct |
| 29 |
Correct |
1 ms |
468 KB |
Output is correct |
| 30 |
Correct |
1 ms |
468 KB |
Output is correct |
| 31 |
Correct |
1 ms |
444 KB |
Output is correct |
| 32 |
Correct |
1 ms |
468 KB |
Output is correct |
| 33 |
Correct |
1 ms |
468 KB |
Output is correct |
| 34 |
Correct |
1 ms |
596 KB |
Output is correct |
| 35 |
Correct |
1 ms |
716 KB |
Output is correct |
| 36 |
Correct |
1 ms |
692 KB |
Output is correct |
| 37 |
Correct |
1 ms |
696 KB |
Output is correct |
| 38 |
Correct |
1 ms |
596 KB |
Output is correct |
| 39 |
Correct |
1 ms |
596 KB |
Output is correct |
| 40 |
Correct |
1 ms |
596 KB |
Output is correct |
| 41 |
Correct |
2 ms |
596 KB |
Output is correct |
| 42 |
Correct |
2 ms |
716 KB |
Output is correct |
| 43 |
Correct |
2 ms |
596 KB |
Output is correct |
| 44 |
Correct |
2 ms |
596 KB |
Output is correct |
| 45 |
Correct |
2 ms |
724 KB |
Output is correct |
| 46 |
Correct |
2 ms |
596 KB |
Output is correct |
| 47 |
Correct |
1 ms |
596 KB |
Output is correct |
| 48 |
Correct |
1 ms |
596 KB |
Output is correct |
| 49 |
Correct |
1 ms |
596 KB |
Output is correct |
| 50 |
Correct |
1 ms |
708 KB |
Output is correct |
| 51 |
Correct |
2 ms |
596 KB |
Output is correct |
| 52 |
Correct |
1 ms |
596 KB |
Output is correct |
| 53 |
Correct |
1 ms |
596 KB |
Output is correct |
| 54 |
Correct |
1 ms |
712 KB |
Output is correct |
| 55 |
Correct |
40 ms |
5056 KB |
Output is correct |
| 56 |
Correct |
37 ms |
5056 KB |
Output is correct |
| 57 |
Correct |
35 ms |
5196 KB |
Output is correct |
| 58 |
Correct |
34 ms |
5116 KB |
Output is correct |
| 59 |
Correct |
32 ms |
5092 KB |
Output is correct |
| 60 |
Correct |
34 ms |
5068 KB |
Output is correct |
| 61 |
Correct |
40 ms |
5040 KB |
Output is correct |
| 62 |
Correct |
35 ms |
5068 KB |
Output is correct |
| 63 |
Correct |
33 ms |
5076 KB |
Output is correct |
| 64 |
Correct |
31 ms |
5056 KB |
Output is correct |
| 65 |
Correct |
32 ms |
5148 KB |
Output is correct |
| 66 |
Correct |
50 ms |
5152 KB |
Output is correct |
| 67 |
Correct |
33 ms |
5068 KB |
Output is correct |
| 68 |
Correct |
33 ms |
5072 KB |
Output is correct |
| 69 |
Correct |
38 ms |
5152 KB |
Output is correct |
| 70 |
Correct |
33 ms |
5108 KB |
Output is correct |
| 71 |
Correct |
32 ms |
5028 KB |
Output is correct |
| 72 |
Correct |
31 ms |
5060 KB |
Output is correct |
| 73 |
Correct |
37 ms |
5072 KB |
Output is correct |
| 74 |
Correct |
33 ms |
5076 KB |
Output is correct |
| 75 |
Correct |
44 ms |
5052 KB |
Output is correct |
| 76 |
Correct |
84 ms |
9732 KB |
Output is correct |
| 77 |
Correct |
81 ms |
9740 KB |
Output is correct |
| 78 |
Correct |
88 ms |
9788 KB |
Output is correct |
| 79 |
Correct |
81 ms |
9764 KB |
Output is correct |
| 80 |
Correct |
80 ms |
9836 KB |
Output is correct |
| 81 |
Correct |
84 ms |
9756 KB |
Output is correct |
| 82 |
Correct |
92 ms |
9816 KB |
Output is correct |
| 83 |
Correct |
81 ms |
9760 KB |
Output is correct |
| 84 |
Correct |
88 ms |
9804 KB |
Output is correct |
| 85 |
Correct |
167 ms |
15524 KB |
Output is correct |
| 86 |
Correct |
163 ms |
15496 KB |
Output is correct |
| 87 |
Correct |
151 ms |
15436 KB |
Output is correct |
| 88 |
Correct |
151 ms |
15504 KB |
Output is correct |
| 89 |
Correct |
155 ms |
15528 KB |
Output is correct |
| 90 |
Correct |
148 ms |
15524 KB |
Output is correct |
| 91 |
Correct |
151 ms |
15488 KB |
Output is correct |
| 92 |
Correct |
151 ms |
15428 KB |
Output is correct |
| 93 |
Correct |
159 ms |
15492 KB |
Output is correct |
| 94 |
Correct |
379 ms |
28136 KB |
Output is correct |
| 95 |
Correct |
415 ms |
28192 KB |
Output is correct |
| 96 |
Correct |
373 ms |
28116 KB |
Output is correct |
| 97 |
Correct |
405 ms |
28148 KB |
Output is correct |
| 98 |
Correct |
373 ms |
28256 KB |
Output is correct |
| 99 |
Correct |
415 ms |
28108 KB |
Output is correct |
| 100 |
Correct |
369 ms |
28112 KB |
Output is correct |
