#include <bits/stdc++.h>
using namespace std;
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef complex<double> cmplx;
template <typename T> using minPq = priority_queue<T, vector<T>, greater<T>>;
#define boost() cin.sync_with_stdio(0); cin.tie(0)
#define ms(a, x) memset(a, x, sizeof(a))
#define pb push_back
#define fs first
#define sn second
#define ALL(v) (v).begin(), (v).end()
#define SZ(v) ((int) (v).size())
#define lbv(v, x) (lower_bound((v).begin(), (v).end(), x) - (v).begin())
#define ubv(v, x) (upper_bound((v).begin(), (v).end(), x) - (v).begin())
template <typename T> inline void UNIQUE(vector<T> &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);
#define FR(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORR(i, a, b) for(int i = (a); i >= (b); i--)
#define dbg(x) {cout << #x << ' ' << x << endl;}
#define dbgArr(arr, n) {cout << #arr; FR(_i, n) cout << ' ' << arr[_i]; cout << endl;}
struct Edge {
int t, n1, n2;
bool operator<(Edge e) const {
return t < e.t;
}
};
const int H = 10;
const int MN = 505;
const int ME = 1e5 + 5;
const int MQ = 1e6 + 5;
int n, m, q;
vector<Edge> adjList[MN]; // {t, node, id}
int queries[MQ], qi;
bool vis[MN];
set<pii> spanAdjList[MN];
vi spanTree;
Edge edges[ME];
pii nextEvent;
int dep[MN];
pii anc[MN][H];
void dfs(int n1){
for(auto [n2, c2] : spanAdjList[n1]){
dep[n2] = dep[n1] + 1;
anc[n2][0] = {n1, c2};
int n3 = n1;
FOR(k, 1, H){
if(anc[n3][k-1].fs == -1) break;
anc[n2][k] = {anc[n3][k-1].fs, min(anc[n3][k-1].sn, anc[n2][k-1].sn)};
n3 = anc[n3][k-1].fs;
}
dfs(n2);
}
}
int getMn(int a, int b){
if(dep[a] < dep[b]) swap(a, b);
int res = INF;
FORR(k, H-1, 0){
if(dep[a] - (1<<k) < dep[b]) continue;
res = min(res, anc[a][k].sn);
a = anc[a][k].fs;
}
if(a == b) return res;
FORR(k, H-1, 0){
if(anc[a][k].fs == anc[b][k].fs) continue;
res = min(res, min(anc[a][k].sn, anc[b][k].sn));
a = anc[a][k].fs;
b = anc[b][k].fs;
}
res = min(res, min(anc[a][0].sn, anc[b][0].sn));
return res;
}
void recalc(int t){
spanTree.clear();
FR(i, n){
spanAdjList[i].clear();
vis[i] = false;
}
minPq<pair<int, Edge>> pq;
pq.push({0, {0, 0, 0}});
while(!pq.empty()){
auto [c, e] = pq.top(); pq.pop();
if(vis[e.n2]) continue;
vis[e.n2] = true;
if(e.t) spanAdjList[e.n1].insert({e.n2, e.t}), spanTree.pb(e.t);
for(Edge e2 : adjList[e.n2]){
if(!vis[e2.n1]) pq.push({abs(t - e2.t), {e2.t, e.n2, e2.n1}});
}
}
ms(anc, -1);
dfs(0);
nextEvent = {INF, -1};
FR(i, m){
int a = edges[i].n1, b = edges[i].n2;
int mn = getMn(a, b);
if(mn >= edges[i].t) continue;
int dec = (mn + edges[i].t + 2)/2;
assert(dec > t);
nextEvent = min(nextEvent, pii{dec, i});
}
}
vi perEdge[MN];
void lineCase(){
//vi mem(3e7, 12345);
minPq<pii> events;
FR(i, n){
vi &vec = perEdge[i];
sort(ALL(vec));
reverse(ALL(vec));
if(SZ(vec) >= 2) events.push({(vec[SZ(vec)-1] + vec[SZ(vec)-2])/2 + 1, i});
}
while(qi < q){
int t = queries[qi++];
while(events.top().fs < t){
auto [useless, i] = events.top(); events.pop();
vi &vec = perEdge[i];
vec.pop_back();
if(SZ(vec) >= 2) events.push({(vec[SZ(vec)-1] + vec[SZ(vec)-2])/2 + 1, i});
}
ll ans = 0;
FR(i, n) ans += abs(t - perEdge[i].back());
cout << ans << '\n';
}
exit(0);
}
int main(){
boost();
cin >> n >> m;
FR(i, m){
int a, b, c;
cin >> a >> b >> c;
a--; b--;
perEdge[a].pb(c);
adjList[a].pb({c, b, i});
adjList[b].pb({c, a, i});
edges[i] = {c, a, b};
}
cin >> q;
FR(i, q) cin >> queries[i];
if(m > 1000 && q > 10) lineCase();
while(qi < q){
int t = queries[qi];
if(nextEvent.fs <= t) recalc(t);
ll val = 0;
for(int x : spanTree) val += abs(t - x);
cout << val << '\n';
qi++;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 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 |
276 ms |
9164 KB |
Output is correct |
21 |
Correct |
204 ms |
7732 KB |
Output is correct |
22 |
Correct |
219 ms |
9468 KB |
Output is correct |
23 |
Correct |
228 ms |
9560 KB |
Output is correct |
24 |
Correct |
246 ms |
9400 KB |
Output is correct |
25 |
Correct |
280 ms |
9512 KB |
Output is correct |
26 |
Correct |
277 ms |
9520 KB |
Output is correct |
27 |
Correct |
295 ms |
9256 KB |
Output is correct |
28 |
Correct |
278 ms |
9304 KB |
Output is correct |
29 |
Correct |
110 ms |
9180 KB |
Output is correct |
30 |
Correct |
290 ms |
9208 KB |
Output is correct |
31 |
Correct |
286 ms |
9276 KB |
Output is correct |
32 |
Correct |
289 ms |
9188 KB |
Output is correct |
33 |
Correct |
286 ms |
9376 KB |
Output is correct |
34 |
Correct |
45 ms |
7588 KB |
Output is correct |
35 |
Correct |
51 ms |
7640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
Runtime error |
140 ms |
19468 KB |
Execution killed with signal 11 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
748 ms |
16588 KB |
Output is correct |
21 |
Correct |
725 ms |
16796 KB |
Output is correct |
22 |
Correct |
745 ms |
16696 KB |
Output is correct |
23 |
Correct |
737 ms |
16648 KB |
Output is correct |
24 |
Correct |
723 ms |
16764 KB |
Output is correct |
25 |
Correct |
734 ms |
16836 KB |
Output is correct |
26 |
Correct |
707 ms |
16900 KB |
Output is correct |
27 |
Correct |
623 ms |
16828 KB |
Output is correct |
28 |
Correct |
733 ms |
16684 KB |
Output is correct |
29 |
Correct |
737 ms |
16716 KB |
Output is correct |
30 |
Correct |
682 ms |
16764 KB |
Output is correct |
31 |
Correct |
678 ms |
16588 KB |
Output is correct |
32 |
Correct |
658 ms |
17468 KB |
Output is correct |
33 |
Correct |
620 ms |
16452 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 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 |
276 ms |
9164 KB |
Output is correct |
21 |
Correct |
204 ms |
7732 KB |
Output is correct |
22 |
Correct |
219 ms |
9468 KB |
Output is correct |
23 |
Correct |
228 ms |
9560 KB |
Output is correct |
24 |
Correct |
246 ms |
9400 KB |
Output is correct |
25 |
Correct |
280 ms |
9512 KB |
Output is correct |
26 |
Correct |
277 ms |
9520 KB |
Output is correct |
27 |
Correct |
295 ms |
9256 KB |
Output is correct |
28 |
Correct |
278 ms |
9304 KB |
Output is correct |
29 |
Correct |
110 ms |
9180 KB |
Output is correct |
30 |
Correct |
290 ms |
9208 KB |
Output is correct |
31 |
Correct |
286 ms |
9276 KB |
Output is correct |
32 |
Correct |
289 ms |
9188 KB |
Output is correct |
33 |
Correct |
286 ms |
9376 KB |
Output is correct |
34 |
Correct |
45 ms |
7588 KB |
Output is correct |
35 |
Correct |
51 ms |
7640 KB |
Output is correct |
36 |
Runtime error |
40 ms |
11280 KB |
Execution killed with signal 11 |
37 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 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 |
276 ms |
9164 KB |
Output is correct |
21 |
Correct |
204 ms |
7732 KB |
Output is correct |
22 |
Correct |
219 ms |
9468 KB |
Output is correct |
23 |
Correct |
228 ms |
9560 KB |
Output is correct |
24 |
Correct |
246 ms |
9400 KB |
Output is correct |
25 |
Correct |
280 ms |
9512 KB |
Output is correct |
26 |
Correct |
277 ms |
9520 KB |
Output is correct |
27 |
Correct |
295 ms |
9256 KB |
Output is correct |
28 |
Correct |
278 ms |
9304 KB |
Output is correct |
29 |
Correct |
110 ms |
9180 KB |
Output is correct |
30 |
Correct |
290 ms |
9208 KB |
Output is correct |
31 |
Correct |
286 ms |
9276 KB |
Output is correct |
32 |
Correct |
289 ms |
9188 KB |
Output is correct |
33 |
Correct |
286 ms |
9376 KB |
Output is correct |
34 |
Correct |
45 ms |
7588 KB |
Output is correct |
35 |
Correct |
51 ms |
7640 KB |
Output is correct |
36 |
Correct |
0 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Runtime error |
140 ms |
19468 KB |
Execution killed with signal 11 |
40 |
Halted |
0 ms |
0 KB |
- |