oj.uz

답안 #114647

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
114647 2019-06-02T06:19:17 Z E869120 Shortcut (IOI16_shortcut) C++14
0 / 100
 3 ms 384 KB 
#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;

long long N, C, D[509][509], A[509], B[509], dp[509];

long long solve(int cl, int cr) {
	for (int i = 0; i < N; i++) dp[i] = D[0][i];
	if (dp[cl] > dp[cr] + C) { dp[cl] = dp[cr] + C; }
	if (dp[cr] > dp[cl] + C) { dp[cr] = dp[cl] + C; }
	for (int i = 0; i < N - 1; i++) dp[i + 1] = min(dp[i + 1], dp[i] + D[i][i + 1]);
	for (int i = N - 2; i >= 0; i--) dp[i] = min(dp[i], dp[i + 1] + D[i][i + 1]);
	pair<long long, int> m1 = make_pair(-1LL, -1);
	for (int i = 0; i < N; i++) m1 = max(m1, make_pair(dp[i] + B[i], i));
	
	int root = m1.second;
	for (int i = 0; i < N; i++) dp[i] = D[root][i];
	if (dp[cl] > dp[cr] + C) { dp[cl] = dp[cr] + C; }
	if (dp[cr] > dp[cl] + C) { dp[cr] = dp[cl] + C; }
	for (int i = 0; i < N - 1; i++) dp[i + 1] = min(dp[i + 1], dp[i] + D[i][i + 1]);
	for (int i = N - 2; i >= 0; i--) dp[i] = min(dp[i], dp[i + 1] + D[i][i + 1]);
	pair<long long, int> m2 = make_pair(B[root], root);
	for (int i = 0; i < N; i++) { if (i == root) continue; m2 = max(m2, make_pair(dp[i] + B[i] + B[root], i)); }
	
	return m2.first;
}

long long find_shortcut(int n, std::vector<int> l, std::vector<int> d, int c) {
	N = n; C = c;
	for (int i = 0; i < N; i++) { if (i < N - 1) A[i] = l[i]; B[i] = d[i]; }
	for (int i = 0; i < N; i++) {
		long long S = 0;
		for (int j = i + 1; j < N; j++) {
			S += 1LL * l[j - 1];
			D[i][j] = S; D[j][i] = S;
		}
	}
	
	long long ans = (1LL << 60);
	for (int i = 0; i < N; i++) {
		for (int j = i + 1; j < N; j++) ans = min(ans, solve(i, j));
	}
    return ans;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB n = 4, 80 is a correct answer
2 Correct 3 ms 384 KB n = 9, 110 is a correct answer
3 Correct 2 ms 384 KB n = 4, 21 is a correct answer
4 Correct 2 ms 384 KB n = 3, 4 is a correct answer
5 Correct 2 ms 384 KB n = 2, 62 is a correct answer
6 Correct 2 ms 384 KB n = 2, 3 is a correct answer
7 Correct 2 ms 384 KB n = 3, 29 is a correct answer
8 Correct 2 ms 384 KB n = 2, 3 is a correct answer
9 Correct 2 ms 384 KB n = 2, 3 is a correct answer
10 Correct 2 ms 384 KB n = 2, 2000000001 is a correct answer
11 Correct 2 ms 384 KB n = 2, 3000000000 is a correct answer
12 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
13 Correct 2 ms 384 KB n = 3, 3000000000 is a correct answer
14 Correct 2 ms 384 KB n = 4, 3000000001 is a correct answer
15 Correct 2 ms 384 KB n = 4, 4000000000 is a correct answer
16 Correct 2 ms 384 KB n = 5, 4000000000 is a correct answer
17 Correct 2 ms 384 KB n = 10, 1000000343 is a correct answer
18 Correct 2 ms 384 KB n = 10, 3189 is a correct answer
19 Incorrect 2 ms 384 KB n = 10, incorrect answer: jury 7000000000 vs contestant 6000000000
20 Halted 0 ms 0 KB -