oj.uz

Submission #91509

# Submission time Handle Problem Language Result Execution time Memory
91509 2018-12-28T01:06:06 Z tincamatei Shortcut (IOI16_shortcut) C++14
0 / 100
 2 ms 748 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 500;
vector<pair<int, int> > graph[1+2*MAX_N];

long long dist[1+2*MAX_N];

void dijkstra(int nod, int n) {
	for(int i = 0; i < 2 * n; ++i)
		dist[i] = 1LL<<60;

	deque<int> q;
	dist[nod] = 0;
	q.push_back(nod);

	while(!q.empty()) {
		int nod = q.front();
		q.pop_front();
		for(auto it: graph[nod])
			if(dist[nod] + it.second < dist[it.first]) {
				dist[it.first] = dist[nod] + it.second;
				q.push_back(it.first);
			}
	}
}

long long getDiam(int n) {
	long long rez = 0LL;
	for(int i = 0; i < 2 * n; ++i)
		if(!graph[i].empty()) {
			dijkstra(i, n);
			for(int j = 0; j < 2 * n; ++j)
				if(!graph[j].empty())
					rez = max(rez, dist[j]);
		}
	return rez;
}

long long f(int n, int x, int c) {
	long long rez = 1LL<<60;
	for(int i = 0; i + x < n; ++i) {
		graph[i].push_back(make_pair(i + x, c));
		graph[i + x].push_back(make_pair(i, c));
		
		rez = min(rez, getDiam(n));

		graph[i].pop_back();
		graph[i + x].pop_back();
	}
	return rez;
}

long long asdf[1+MAX_N];

long long find_shortcut(int n, std::vector<int> l, std::vector<int> d, int c) {
	for(int i = 0; i < n - 1; ++i) {
		graph[i].push_back(make_pair(i + 1, l[i]));
		graph[i + 1].push_back(make_pair(i, l[i]));
	}
	for(int i = 0; i < n; ++i)
		if(d[i] != 0) {
			graph[i].push_back(make_pair(i + n, d[i]));
			graph[i + n].push_back(make_pair(i, d[i]));
		}

	for(int i = 1; i < n; ++i) {
		asdf[i] = f(n, i, c);
	}

	for(int i = 1; i < n - 1; ++i) {
		if(asdf[i] < asdf[i + 1])
			return asdf[i];
	}

	return asdf[n - 1];
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB n = 4, 80 is a correct answer
2 Correct 2 ms 380 KB n = 9, 110 is a correct answer
3 Correct 2 ms 440 KB n = 4, 21 is a correct answer
4 Correct 2 ms 456 KB n = 3, 4 is a correct answer
5 Correct 2 ms 504 KB n = 2, 62 is a correct answer
6 Correct 2 ms 564 KB n = 2, 3 is a correct answer
7 Correct 2 ms 692 KB n = 3, 29 is a correct answer
8 Correct 2 ms 692 KB n = 2, 3 is a correct answer
9 Correct 2 ms 692 KB n = 2, 3 is a correct answer
10 Correct 2 ms 692 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 692 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 692 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 692 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 692 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 692 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 692 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 692 KB n = 10, 3189 is a correct answer
19 Correct 2 ms 692 KB n = 10, 7000000000 is a correct answer
20 Correct 2 ms 692 KB n = 5, 12 is a correct answer
21 Correct 2 ms 692 KB n = 5, 25 is a correct answer
22 Correct 2 ms 692 KB n = 2, 122 is a correct answer
23 Correct 2 ms 748 KB n = 10, 117 is a correct answer
24 Correct 2 ms 748 KB n = 10, 336 is a correct answer
25 Correct 2 ms 748 KB n = 10, 438 is a correct answer
26 Incorrect 2 ms 748 KB n = 10, incorrect answer: jury 206 vs contestant 217
27 Halted 0 ms 0 KB -