// vaziat meshki-ghermeze !
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;
const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;
vector<int> G[N], H[N];
int n, m;
void Add(int u, int v){
G[u].pb(v);
H[v].pb(u);
}
int ps[N];
int Solve(int l, int r){
memset(ps, 0, sizeof ps);
multiset<int> ms;
int res = 0;
for(int i = l; i < r - 1; i++){
for(auto x : G[i]){
if(x >= r) continue;
ps[i] ++;
ps[x] --;
ms.insert(x);
// debug(x);
}
ps[i] += ps[i - 1];
while(ps[i] > 0){
int fr = *ms.rbegin();
// debug(fr);
ms.erase(ms.find(fr));
ps[i] -= 2;
ps[fr] += 2;
res ++;
// cerr << i << " : " << fr << '\n';
}
}
// cerr << l << " , " << r << " : " << res << '\n';
// exit(0);
return res;
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
int a, b, c;
for(int i = 0; i < m; i++){
cin >> a >> b >> c;
assert(c == 1);
if(a > b) swap(a, b);
Add(a, b);
Add(b, n + a);
Add(n + a, n + b);
}
int ans = m;
for(int i = 1; i <= n; i++){
ans = min(ans, Solve(i, n + i));
// break;
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
10444 KB |
Output is correct |
2 |
Correct |
7 ms |
10444 KB |
Output is correct |
3 |
Correct |
7 ms |
10444 KB |
Output is correct |
4 |
Correct |
7 ms |
10480 KB |
Output is correct |
5 |
Correct |
7 ms |
10444 KB |
Output is correct |
6 |
Correct |
7 ms |
10420 KB |
Output is correct |
7 |
Correct |
7 ms |
10480 KB |
Output is correct |
8 |
Correct |
7 ms |
10444 KB |
Output is correct |
9 |
Correct |
7 ms |
10476 KB |
Output is correct |
10 |
Correct |
7 ms |
10444 KB |
Output is correct |
11 |
Correct |
7 ms |
10444 KB |
Output is correct |
12 |
Correct |
7 ms |
10444 KB |
Output is correct |
13 |
Correct |
7 ms |
10480 KB |
Output is correct |
14 |
Correct |
7 ms |
10572 KB |
Output is correct |
15 |
Correct |
7 ms |
10444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
10444 KB |
Output is correct |
2 |
Correct |
7 ms |
10444 KB |
Output is correct |
3 |
Correct |
7 ms |
10444 KB |
Output is correct |
4 |
Correct |
7 ms |
10480 KB |
Output is correct |
5 |
Correct |
7 ms |
10444 KB |
Output is correct |
6 |
Correct |
7 ms |
10420 KB |
Output is correct |
7 |
Correct |
7 ms |
10480 KB |
Output is correct |
8 |
Correct |
7 ms |
10444 KB |
Output is correct |
9 |
Correct |
7 ms |
10476 KB |
Output is correct |
10 |
Correct |
7 ms |
10444 KB |
Output is correct |
11 |
Correct |
7 ms |
10444 KB |
Output is correct |
12 |
Correct |
7 ms |
10444 KB |
Output is correct |
13 |
Correct |
7 ms |
10480 KB |
Output is correct |
14 |
Correct |
7 ms |
10572 KB |
Output is correct |
15 |
Correct |
7 ms |
10444 KB |
Output is correct |
16 |
Correct |
25 ms |
10444 KB |
Output is correct |
17 |
Correct |
27 ms |
10428 KB |
Output is correct |
18 |
Correct |
26 ms |
10568 KB |
Output is correct |
19 |
Correct |
25 ms |
10444 KB |
Output is correct |
20 |
Correct |
26 ms |
10476 KB |
Output is correct |
21 |
Correct |
26 ms |
10528 KB |
Output is correct |
22 |
Correct |
26 ms |
10428 KB |
Output is correct |
23 |
Correct |
26 ms |
10444 KB |
Output is correct |
24 |
Correct |
26 ms |
10484 KB |
Output is correct |
25 |
Correct |
26 ms |
10564 KB |
Output is correct |
26 |
Correct |
25 ms |
10448 KB |
Output is correct |
27 |
Correct |
26 ms |
10480 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
10444 KB |
Output is correct |
2 |
Correct |
7 ms |
10444 KB |
Output is correct |
3 |
Correct |
7 ms |
10444 KB |
Output is correct |
4 |
Correct |
7 ms |
10480 KB |
Output is correct |
5 |
Correct |
7 ms |
10444 KB |
Output is correct |
6 |
Correct |
7 ms |
10420 KB |
Output is correct |
7 |
Correct |
7 ms |
10480 KB |
Output is correct |
8 |
Correct |
7 ms |
10444 KB |
Output is correct |
9 |
Correct |
7 ms |
10476 KB |
Output is correct |
10 |
Correct |
7 ms |
10444 KB |
Output is correct |
11 |
Correct |
7 ms |
10444 KB |
Output is correct |
12 |
Correct |
7 ms |
10444 KB |
Output is correct |
13 |
Correct |
7 ms |
10480 KB |
Output is correct |
14 |
Correct |
7 ms |
10572 KB |
Output is correct |
15 |
Correct |
7 ms |
10444 KB |
Output is correct |
16 |
Correct |
25 ms |
10444 KB |
Output is correct |
17 |
Correct |
27 ms |
10428 KB |
Output is correct |
18 |
Correct |
26 ms |
10568 KB |
Output is correct |
19 |
Correct |
25 ms |
10444 KB |
Output is correct |
20 |
Correct |
26 ms |
10476 KB |
Output is correct |
21 |
Correct |
26 ms |
10528 KB |
Output is correct |
22 |
Correct |
26 ms |
10428 KB |
Output is correct |
23 |
Correct |
26 ms |
10444 KB |
Output is correct |
24 |
Correct |
26 ms |
10484 KB |
Output is correct |
25 |
Correct |
26 ms |
10564 KB |
Output is correct |
26 |
Correct |
25 ms |
10448 KB |
Output is correct |
27 |
Correct |
26 ms |
10480 KB |
Output is correct |
28 |
Correct |
1463 ms |
10848 KB |
Output is correct |
29 |
Correct |
1464 ms |
10852 KB |
Output is correct |
30 |
Correct |
1478 ms |
10852 KB |
Output is correct |
31 |
Correct |
1430 ms |
10836 KB |
Output is correct |
32 |
Correct |
1413 ms |
10820 KB |
Output is correct |
33 |
Correct |
1419 ms |
10856 KB |
Output is correct |
34 |
Correct |
1371 ms |
10952 KB |
Output is correct |
35 |
Correct |
1406 ms |
10844 KB |
Output is correct |
36 |
Correct |
1438 ms |
10852 KB |
Output is correct |
37 |
Correct |
1195 ms |
10892 KB |
Output is correct |
38 |
Correct |
1242 ms |
11016 KB |
Output is correct |
39 |
Correct |
1217 ms |
10968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
10444 KB |
Output is correct |
2 |
Correct |
7 ms |
10444 KB |
Output is correct |
3 |
Correct |
7 ms |
10444 KB |
Output is correct |
4 |
Correct |
7 ms |
10480 KB |
Output is correct |
5 |
Correct |
7 ms |
10444 KB |
Output is correct |
6 |
Correct |
7 ms |
10420 KB |
Output is correct |
7 |
Correct |
7 ms |
10480 KB |
Output is correct |
8 |
Correct |
7 ms |
10444 KB |
Output is correct |
9 |
Correct |
7 ms |
10476 KB |
Output is correct |
10 |
Correct |
7 ms |
10444 KB |
Output is correct |
11 |
Correct |
7 ms |
10444 KB |
Output is correct |
12 |
Correct |
7 ms |
10444 KB |
Output is correct |
13 |
Correct |
7 ms |
10480 KB |
Output is correct |
14 |
Correct |
7 ms |
10572 KB |
Output is correct |
15 |
Correct |
7 ms |
10444 KB |
Output is correct |
16 |
Correct |
25 ms |
10444 KB |
Output is correct |
17 |
Correct |
27 ms |
10428 KB |
Output is correct |
18 |
Correct |
26 ms |
10568 KB |
Output is correct |
19 |
Correct |
25 ms |
10444 KB |
Output is correct |
20 |
Correct |
26 ms |
10476 KB |
Output is correct |
21 |
Correct |
26 ms |
10528 KB |
Output is correct |
22 |
Correct |
26 ms |
10428 KB |
Output is correct |
23 |
Correct |
26 ms |
10444 KB |
Output is correct |
24 |
Correct |
26 ms |
10484 KB |
Output is correct |
25 |
Correct |
26 ms |
10564 KB |
Output is correct |
26 |
Correct |
25 ms |
10448 KB |
Output is correct |
27 |
Correct |
26 ms |
10480 KB |
Output is correct |
28 |
Correct |
1463 ms |
10848 KB |
Output is correct |
29 |
Correct |
1464 ms |
10852 KB |
Output is correct |
30 |
Correct |
1478 ms |
10852 KB |
Output is correct |
31 |
Correct |
1430 ms |
10836 KB |
Output is correct |
32 |
Correct |
1413 ms |
10820 KB |
Output is correct |
33 |
Correct |
1419 ms |
10856 KB |
Output is correct |
34 |
Correct |
1371 ms |
10952 KB |
Output is correct |
35 |
Correct |
1406 ms |
10844 KB |
Output is correct |
36 |
Correct |
1438 ms |
10852 KB |
Output is correct |
37 |
Correct |
1195 ms |
10892 KB |
Output is correct |
38 |
Correct |
1242 ms |
11016 KB |
Output is correct |
39 |
Correct |
1217 ms |
10968 KB |
Output is correct |
40 |
Runtime error |
14 ms |
19452 KB |
Execution killed with signal 11 |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
10444 KB |
Output is correct |
2 |
Correct |
7 ms |
10444 KB |
Output is correct |
3 |
Correct |
7 ms |
10444 KB |
Output is correct |
4 |
Correct |
7 ms |
10480 KB |
Output is correct |
5 |
Correct |
7 ms |
10444 KB |
Output is correct |
6 |
Correct |
7 ms |
10420 KB |
Output is correct |
7 |
Correct |
7 ms |
10480 KB |
Output is correct |
8 |
Correct |
7 ms |
10444 KB |
Output is correct |
9 |
Correct |
7 ms |
10476 KB |
Output is correct |
10 |
Correct |
7 ms |
10444 KB |
Output is correct |
11 |
Correct |
7 ms |
10444 KB |
Output is correct |
12 |
Correct |
7 ms |
10444 KB |
Output is correct |
13 |
Correct |
7 ms |
10480 KB |
Output is correct |
14 |
Correct |
7 ms |
10572 KB |
Output is correct |
15 |
Correct |
7 ms |
10444 KB |
Output is correct |
16 |
Correct |
25 ms |
10444 KB |
Output is correct |
17 |
Correct |
27 ms |
10428 KB |
Output is correct |
18 |
Correct |
26 ms |
10568 KB |
Output is correct |
19 |
Correct |
25 ms |
10444 KB |
Output is correct |
20 |
Correct |
26 ms |
10476 KB |
Output is correct |
21 |
Correct |
26 ms |
10528 KB |
Output is correct |
22 |
Correct |
26 ms |
10428 KB |
Output is correct |
23 |
Correct |
26 ms |
10444 KB |
Output is correct |
24 |
Correct |
26 ms |
10484 KB |
Output is correct |
25 |
Correct |
26 ms |
10564 KB |
Output is correct |
26 |
Correct |
25 ms |
10448 KB |
Output is correct |
27 |
Correct |
26 ms |
10480 KB |
Output is correct |
28 |
Correct |
1463 ms |
10848 KB |
Output is correct |
29 |
Correct |
1464 ms |
10852 KB |
Output is correct |
30 |
Correct |
1478 ms |
10852 KB |
Output is correct |
31 |
Correct |
1430 ms |
10836 KB |
Output is correct |
32 |
Correct |
1413 ms |
10820 KB |
Output is correct |
33 |
Correct |
1419 ms |
10856 KB |
Output is correct |
34 |
Correct |
1371 ms |
10952 KB |
Output is correct |
35 |
Correct |
1406 ms |
10844 KB |
Output is correct |
36 |
Correct |
1438 ms |
10852 KB |
Output is correct |
37 |
Correct |
1195 ms |
10892 KB |
Output is correct |
38 |
Correct |
1242 ms |
11016 KB |
Output is correct |
39 |
Correct |
1217 ms |
10968 KB |
Output is correct |
40 |
Runtime error |
14 ms |
19452 KB |
Execution killed with signal 11 |
41 |
Halted |
0 ms |
0 KB |
- |