oj.uz

Submission #544946

# Submission time Handle Problem Language Result Execution time Memory
544946 2022-04-03T08:00:07 Z benson1029 Reconstruction Project (JOI22_reconstruction) C++14
70 / 100
 5000 ms 826640 KB 
#include<bits/stdc++.h>
using namespace std;

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

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";
	}
}

Compilation message

reconstruction.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    5 | #pragma GCC optimization ("O3")
      | 
reconstruction.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    6 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 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 3 ms 7380 KB Output is correct
8 Correct 4 ms 7380 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 3 ms 7380 KB Output is correct
14 Correct 4 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 5 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 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 3 ms 7380 KB Output is correct
8 Correct 4 ms 7380 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 3 ms 7380 KB Output is correct
14 Correct 4 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 5 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4539 ms 815880 KB Output is correct
21 Correct 3393 ms 814624 KB Output is correct
22 Correct 3619 ms 814648 KB Output is correct
23 Correct 3735 ms 814540 KB Output is correct
24 Correct 4179 ms 814672 KB Output is correct
25 Correct 4876 ms 814836 KB Output is correct
26 Correct 4867 ms 816120 KB Output is correct
27 Correct 4753 ms 816196 KB Output is correct
28 Correct 4710 ms 816496 KB Output is correct
29 Correct 4243 ms 813120 KB Output is correct
30 Correct 4677 ms 816028 KB Output is correct
31 Correct 4736 ms 816244 KB Output is correct
32 Correct 4895 ms 816120 KB Output is correct
33 Correct 4590 ms 814812 KB Output is correct
34 Correct 3128 ms 786172 KB Output is correct
35 Correct 4521 ms 816024 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7252 KB Output is correct
4 Execution timed out 5049 ms 826640 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 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 3 ms 7380 KB Output is correct
8 Correct 4 ms 7380 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 3 ms 7380 KB Output is correct
14 Correct 4 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 5 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 5 ms 7380 KB Output is correct
20 Correct 1429 ms 27388 KB Output is correct
21 Correct 1460 ms 27280 KB Output is correct
22 Correct 1500 ms 27232 KB Output is correct
23 Correct 1434 ms 27188 KB Output is correct
24 Correct 1446 ms 27168 KB Output is correct
25 Correct 1475 ms 27224 KB Output is correct
26 Correct 1442 ms 27248 KB Output is correct
27 Correct 1391 ms 27168 KB Output is correct
28 Correct 1470 ms 27388 KB Output is correct
29 Correct 1601 ms 27224 KB Output is correct
30 Correct 1452 ms 27248 KB Output is correct
31 Correct 1414 ms 27216 KB Output is correct
32 Correct 1058 ms 27772 KB Output is correct
33 Correct 1664 ms 27000 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 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 3 ms 7380 KB Output is correct
8 Correct 4 ms 7380 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 3 ms 7380 KB Output is correct
14 Correct 4 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 5 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4539 ms 815880 KB Output is correct
21 Correct 3393 ms 814624 KB Output is correct
22 Correct 3619 ms 814648 KB Output is correct
23 Correct 3735 ms 814540 KB Output is correct
24 Correct 4179 ms 814672 KB Output is correct
25 Correct 4876 ms 814836 KB Output is correct
26 Correct 4867 ms 816120 KB Output is correct
27 Correct 4753 ms 816196 KB Output is correct
28 Correct 4710 ms 816496 KB Output is correct
29 Correct 4243 ms 813120 KB Output is correct
30 Correct 4677 ms 816028 KB Output is correct
31 Correct 4736 ms 816244 KB Output is correct
32 Correct 4895 ms 816120 KB Output is correct
33 Correct 4590 ms 814812 KB Output is correct
34 Correct 3128 ms 786172 KB Output is correct
35 Correct 4521 ms 816024 KB Output is correct
36 Correct 4444 ms 815048 KB Output is correct
37 Correct 3289 ms 814896 KB Output is correct
38 Correct 3538 ms 814776 KB Output is correct
39 Correct 3653 ms 814960 KB Output is correct
40 Correct 4286 ms 815100 KB Output is correct
41 Correct 4548 ms 815204 KB Output is correct
42 Correct 4376 ms 814980 KB Output is correct
43 Correct 4392 ms 815148 KB Output is correct
44 Correct 4359 ms 815004 KB Output is correct
45 Correct 3962 ms 812100 KB Output is correct
46 Correct 4362 ms 815072 KB Output is correct
47 Correct 4336 ms 814932 KB Output is correct
48 Correct 4374 ms 815032 KB Output is correct
49 Correct 4415 ms 815160 KB Output is correct
50 Correct 3043 ms 785036 KB Output is correct
51 Correct 4356 ms 814940 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 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 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 3 ms 7380 KB Output is correct
8 Correct 4 ms 7380 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 3 ms 7380 KB Output is correct
14 Correct 4 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 5 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4539 ms 815880 KB Output is correct
21 Correct 3393 ms 814624 KB Output is correct
22 Correct 3619 ms 814648 KB Output is correct
23 Correct 3735 ms 814540 KB Output is correct
24 Correct 4179 ms 814672 KB Output is correct
25 Correct 4876 ms 814836 KB Output is correct
26 Correct 4867 ms 816120 KB Output is correct
27 Correct 4753 ms 816196 KB Output is correct
28 Correct 4710 ms 816496 KB Output is correct
29 Correct 4243 ms 813120 KB Output is correct
30 Correct 4677 ms 816028 KB Output is correct
31 Correct 4736 ms 816244 KB Output is correct
32 Correct 4895 ms 816120 KB Output is correct
33 Correct 4590 ms 814812 KB Output is correct
34 Correct 3128 ms 786172 KB Output is correct
35 Correct 4521 ms 816024 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 7252 KB Output is correct
39 Execution timed out 5049 ms 826640 KB Time limit exceeded
40 Halted 0 ms 0 KB -