#include <bits/stdc++.h>
#define rf(x) (x)=0;while(*p<48)p++;while(47<*p)(x)=((x)<<3)+((x)<<1)+(*p++&15);
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define befv(V) ((V)[sz(V)-2])
#define upmax(a,b) (a)=max((a),(b))
#define upmin(a,b) (a)=min((a),(b))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
using namespace std;
typedef long long ll;
const int MAXN = 100005;
const int MAXM = 300005;
vector<int> T[MAXN];
int hldi[MAXN], hldj[MAXN], hldo[MAXN], hldl[MAXN], hldn;
int dep[MAXN], cnt[MAXN];
int A[MAXM], B[MAXM], C[MAXM], O[MAXM];
int ud[MAXN];
bitset<MAXM> isE;
ll MSTC;
int N, M;
int uf(int i) { return i == ud[i] ? i : (ud[i] = uf(ud[i])); }
void uf(int a, int b) { ud[uf(b)] = uf(a); }
void f(int i) {
cnt[i] = 1;
for(int e : T[i]) {
int v = A[e] + B[e] - i;
if(dep[v]) continue;
dep[v] = dep[i] + 1;
f(v);
cnt[i] += cnt[v];
}
}
void f0(int i, int c) {
hldi[i] = c; hldj[i] = hldl[c]++;
int ni = -1, nc = -1;
for(int e : T[i]) {
int v = A[e] + B[e] - i;
if(dep[v] < dep[i] || cnt[v] <= nc) continue;
ni = v; nc = cnt[v];
}
// TODO
}
int main() {
ios::sync_with_stdio(false);
cin >> N >> M;
for(int i = 1; i <= M; i++) {
cin >> A[i] >> B[i] >> C[i];
}
iota(O, O+M+1, 0); sort(O+1, O+M+1, [&](int a, int b) { return C[a] < C[b]; });
for(int i = 1; i <= N; i++) {
ll ret = 0;
iota(ud, ud+N+1, 0);
for(int j = 1; j <= M; j++) if(A[j] == i || B[j] == i) {
uf(i, A[j]);
uf(i, B[j]);
ret += C[j];
}
for(int oj = 1, j; oj <= M; oj++) {
j = O[oj];
if(A[j] == i || B[j] == i) continue;
if(uf(A[j]) == uf(B[j])) continue;
uf(A[j], B[j]);
ret += C[j];
}
printf("%lld\n", ret);
}
/*
iota(ud, ud+N+1, 0);
for(int oi = 1, i; oi <= M; oi++) {
i = O[oi];
if(uf(A[i]) == uf(B[i])) continue;
uf(A[i], B[i]);
isE[i] = true;
MSTC += C[i];
}
for(int i = 1; i <= M; i++) if(isE[i]) {
T[A[i]].eb(i);
T[B[i]].eb(i);
}
dep[1] = 1; f(1);
iota(hldo, hldo+N+1, 0); sort(hldo+1, hldo+N+1, [&](int a, int b) { return cnt[a] > cnt[b]; });
for(int oi = 1, i; oi <= N; oi++) {
i = hldo[oi];
if(hldi[i]) continue;
hldn++;
f0(i, hldn);
}
*/
return 0;
}
Compilation message
LM.cpp: In function 'void f0(int, int)':
LM.cpp:47:6: warning: variable 'ni' set but not used [-Wunused-but-set-variable]
int ni = -1, nc = -1;
^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
110 ms |
2812 KB |
Output is correct |
2 |
Correct |
108 ms |
2812 KB |
Output is correct |
3 |
Correct |
95 ms |
3016 KB |
Output is correct |
4 |
Correct |
100 ms |
3188 KB |
Output is correct |
5 |
Correct |
98 ms |
3300 KB |
Output is correct |
6 |
Correct |
105 ms |
3416 KB |
Output is correct |
7 |
Correct |
116 ms |
3592 KB |
Output is correct |
8 |
Correct |
116 ms |
3592 KB |
Output is correct |
9 |
Correct |
114 ms |
3592 KB |
Output is correct |
10 |
Correct |
112 ms |
3604 KB |
Output is correct |
11 |
Correct |
115 ms |
3608 KB |
Output is correct |
12 |
Correct |
113 ms |
3784 KB |
Output is correct |
13 |
Correct |
129 ms |
3832 KB |
Output is correct |
14 |
Correct |
114 ms |
3832 KB |
Output is correct |
15 |
Correct |
110 ms |
3832 KB |
Output is correct |
16 |
Correct |
63 ms |
3980 KB |
Output is correct |
17 |
Correct |
64 ms |
4024 KB |
Output is correct |
18 |
Correct |
79 ms |
4024 KB |
Output is correct |
19 |
Correct |
63 ms |
4152 KB |
Output is correct |
20 |
Correct |
59 ms |
4152 KB |
Output is correct |
21 |
Correct |
74 ms |
4152 KB |
Output is correct |
22 |
Correct |
79 ms |
4176 KB |
Output is correct |
23 |
Correct |
65 ms |
4408 KB |
Output is correct |
24 |
Correct |
71 ms |
4460 KB |
Output is correct |
25 |
Correct |
5 ms |
4460 KB |
Output is correct |
26 |
Correct |
5 ms |
4460 KB |
Output is correct |
27 |
Correct |
5 ms |
4460 KB |
Output is correct |
28 |
Correct |
23 ms |
4460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2066 ms |
15868 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |