답안 #544942

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
544942	2022-04-03T07:50:38 Z	benson1029	Reconstruction Project (JOI22_reconstruction)	C++14	70 / 100	5000 ms	827312 KB

reconstruction

#include<bits/stdc++.h>
using namespace std;

int n, m, q;
pair< int, pair<int,int> > edg[100005];
vector<int> f[100005], b[100005], t[100005];
int x[100005], y[100005];
int dsu[100005];

int find(int x) {
	if(dsu[x]==x) return x;
	return dsu[x] = find(dsu[x]);
}

void merge(int x) {
	dsu[find(edg[x].second.first)] = find(edg[x].second.second);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> m;
	for(int i=1; i<=m; i++) {
		cin >> edg[i].second.first >> edg[i].second.second >> edg[i].first;
	}
	sort(edg+1, edg+m+1);
	for(int i=1; i<=m; i++) {
		b[i].push_back(i);
		for(int j=1; j<=n; j++) dsu[j] = j;
		bool tmp = false;
		x[i] = -1;
		for(int j:b[i-1]) {
			if(find(edg[j].second.first)!=find(edg[j].second.second)) {
				merge(j);
				if(find(edg[i].second.first)==find(edg[i].second.second) && !tmp) {
					tmp = true;
					x[i] = (edg[j].first + edg[i].first + 2) / 2;
				}
				else b[i].push_back(j);
			}
		}
	}
	for(int i=m; i>=1; i--) {
		f[i].push_back(i);
		for(int j=1; j<=n; j++) dsu[j] = j;
		bool tmp = false;
		y[i] = 2e9;
		for(int j:f[i+1]) {
			if(find(edg[j].second.first)!=find(edg[j].second.second)) {
				merge(j);
				if(find(edg[i].second.first)==find(edg[i].second.second) && !tmp) {
					tmp = true;
					y[i] = (edg[j].first + edg[i].first) / 2;
				}
				else f[i].push_back(j);
			}
		}
	}
	for(int i=0; i<=m; i++) {
		for(int j:b[i]) t[i].push_back(j);
		for(int j:f[i+1]) t[i].push_back(j);
	}
	cin >> q;
	while(q--) {
		int v;
		cin >> v;
		int pos = upper_bound(edg+1, edg+m+1, make_pair(v, make_pair((int)1e9, (int)1e9))) - edg - 1;
		long long ans = 0;
		for(int i:t[pos]) {
			if(v>=x[i] && v<=y[i]) {
				ans += abs(v-edg[i].first);
			}
		}
		cout << ans << "\n";
	}
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	5 ms	7380 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7376 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7380 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	5 ms	7380 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	5 ms	7380 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7376 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7380 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	5 ms	7380 KB	Output is correct
19	Correct	4 ms	7380 KB	Output is correct
20	Correct	4242 ms	816048 KB	Output is correct
21	Correct	3210 ms	814772 KB	Output is correct
22	Correct	3393 ms	814516 KB	Output is correct
23	Correct	3551 ms	814672 KB	Output is correct
24	Correct	3980 ms	814792 KB	Output is correct
25	Correct	4390 ms	815040 KB	Output is correct
26	Correct	4255 ms	815940 KB	Output is correct
27	Correct	4258 ms	815820 KB	Output is correct
28	Correct	4233 ms	815660 KB	Output is correct
29	Correct	3870 ms	812132 KB	Output is correct
30	Correct	4306 ms	815032 KB	Output is correct
31	Correct	4365 ms	815296 KB	Output is correct
32	Correct	4267 ms	815204 KB	Output is correct
33	Correct	4275 ms	814984 KB	Output is correct
34	Correct	3056 ms	785172 KB	Output is correct
35	Correct	4266 ms	815056 KB	Output is correct

Subtask #3
0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Execution timed out	5074 ms	827312 KB	Time limit exceeded
5	Halted	0 ms	0 KB	-

Subtask #4
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	5 ms	7380 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7376 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7380 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	5 ms	7380 KB	Output is correct
19	Correct	4 ms	7380 KB	Output is correct
20	Correct	1500 ms	30724 KB	Output is correct
21	Correct	1398 ms	27644 KB	Output is correct
22	Correct	1329 ms	30224 KB	Output is correct
23	Correct	1314 ms	30268 KB	Output is correct
24	Correct	1324 ms	30188 KB	Output is correct
25	Correct	1327 ms	30232 KB	Output is correct
26	Correct	1306 ms	30080 KB	Output is correct
27	Correct	1285 ms	30200 KB	Output is correct
28	Correct	1344 ms	30240 KB	Output is correct
29	Correct	1339 ms	30276 KB	Output is correct
30	Correct	1335 ms	27668 KB	Output is correct
31	Correct	1361 ms	30460 KB	Output is correct
32	Correct	1025 ms	30608 KB	Output is correct
33	Correct	1560 ms	29904 KB	Output is correct

Subtask #5
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	5 ms	7380 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7376 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7380 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	5 ms	7380 KB	Output is correct
19	Correct	4 ms	7380 KB	Output is correct
20	Correct	4242 ms	816048 KB	Output is correct
21	Correct	3210 ms	814772 KB	Output is correct
22	Correct	3393 ms	814516 KB	Output is correct
23	Correct	3551 ms	814672 KB	Output is correct
24	Correct	3980 ms	814792 KB	Output is correct
25	Correct	4390 ms	815040 KB	Output is correct
26	Correct	4255 ms	815940 KB	Output is correct
27	Correct	4258 ms	815820 KB	Output is correct
28	Correct	4233 ms	815660 KB	Output is correct
29	Correct	3870 ms	812132 KB	Output is correct
30	Correct	4306 ms	815032 KB	Output is correct
31	Correct	4365 ms	815296 KB	Output is correct
32	Correct	4267 ms	815204 KB	Output is correct
33	Correct	4275 ms	814984 KB	Output is correct
34	Correct	3056 ms	785172 KB	Output is correct
35	Correct	4266 ms	815056 KB	Output is correct
36	Correct	4315 ms	815036 KB	Output is correct
37	Correct	3375 ms	814920 KB	Output is correct
38	Correct	3532 ms	814812 KB	Output is correct
39	Correct	3634 ms	814936 KB	Output is correct
40	Correct	4090 ms	814824 KB	Output is correct
41	Correct	4512 ms	814916 KB	Output is correct
42	Correct	4364 ms	815072 KB	Output is correct
43	Correct	4329 ms	815196 KB	Output is correct
44	Correct	4289 ms	815072 KB	Output is correct
45	Correct	3953 ms	811944 KB	Output is correct
46	Correct	4251 ms	814920 KB	Output is correct
47	Correct	4280 ms	815020 KB	Output is correct
48	Correct	4288 ms	814996 KB	Output is correct
49	Correct	4286 ms	815052 KB	Output is correct
50	Correct	3033 ms	785136 KB	Output is correct
51	Correct	4277 ms	814992 KB	Output is correct

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	5 ms	7380 KB	Output is correct
4	Correct	4 ms	7380 KB	Output is correct
5	Correct	4 ms	7380 KB	Output is correct
6	Correct	4 ms	7380 KB	Output is correct
7	Correct	5 ms	7380 KB	Output is correct
8	Correct	4 ms	7376 KB	Output is correct
9	Correct	4 ms	7380 KB	Output is correct
10	Correct	4 ms	7380 KB	Output is correct
11	Correct	4 ms	7380 KB	Output is correct
12	Correct	4 ms	7380 KB	Output is correct
13	Correct	4 ms	7380 KB	Output is correct
14	Correct	5 ms	7380 KB	Output is correct
15	Correct	4 ms	7380 KB	Output is correct
16	Correct	4 ms	7380 KB	Output is correct
17	Correct	4 ms	7380 KB	Output is correct
18	Correct	5 ms	7380 KB	Output is correct
19	Correct	4 ms	7380 KB	Output is correct
20	Correct	4242 ms	816048 KB	Output is correct
21	Correct	3210 ms	814772 KB	Output is correct
22	Correct	3393 ms	814516 KB	Output is correct
23	Correct	3551 ms	814672 KB	Output is correct
24	Correct	3980 ms	814792 KB	Output is correct
25	Correct	4390 ms	815040 KB	Output is correct
26	Correct	4255 ms	815940 KB	Output is correct
27	Correct	4258 ms	815820 KB	Output is correct
28	Correct	4233 ms	815660 KB	Output is correct
29	Correct	3870 ms	812132 KB	Output is correct
30	Correct	4306 ms	815032 KB	Output is correct
31	Correct	4365 ms	815296 KB	Output is correct
32	Correct	4267 ms	815204 KB	Output is correct
33	Correct	4275 ms	814984 KB	Output is correct
34	Correct	3056 ms	785172 KB	Output is correct
35	Correct	4266 ms	815056 KB	Output is correct
36	Correct	4 ms	7380 KB	Output is correct
37	Correct	4 ms	7380 KB	Output is correct
38	Correct	4 ms	7380 KB	Output is correct
39	Execution timed out	5074 ms	827312 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-

답안 #544942

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 4.0 / 4.0

Subtask #3 0 / 7.0

Subtask #4 28.0 / 28.0

Subtask #5 35.0 / 35.0

Subtask #6 0 / 23.0

Subtask #1
3.0 / 3.0

Subtask #2
4.0 / 4.0

Subtask #3
0 / 7.0

Subtask #4
28.0 / 28.0

Subtask #5
35.0 / 35.0

Subtask #6
0 / 23.0