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Submission #16043

# Submission time Handle Problem Language Result Execution time Memory
16043 2015-08-10T11:49:55 Z hongjun7 Computer Network (BOI14_network) C++
75 / 100
 156 ms 5084 KB 
#include "network.h"
#include <algorithm>
using namespace std;
int d[2005], c[2005];
void findRoute(int N, int a, int b) {
	int dist = ping(a, b);
	for (int i = 1; i <= N; i++) d[i] = c[i] = 0;
	for (int i = 1; i <= N; i++) if (i != a) c[i] = d[i] = ping(a, i) + 1;
	sort(c + 1, c + N + 1);
	bool ok = 1;
	for (int i = 2; i <= N; i++) if (c[i] - c[i - 1] != 1) ok = 0;
	if (ok) {
		for (int i = 1; i <= dist; i++) {
			for (int j = 1; j <= N; j++) {
				if (d[j] - d[a] == 1) {
					int v = ping(j, b);
					if (dist == v + d[a] + 1) {
						a = j;
						travelTo(j);
						break;
					}
				}
			}
		}
		travelTo(b);
	}
	else {
		for (int i = 1; i <= dist; i++) {
			for (int j = 1; j <= N; j++) {
				if (d[j] - d[a] == 1) {
					int v = ping(j, b);
					if (dist == v + d[a] + 1 && ping(a, j) == 0) {
						a = j;
						travelTo(j);
						break;
					}
				}
			}
		}
		travelTo(b);
	}
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 5084 KB Output is correct
2 Correct 115 ms 5084 KB Output is correct
3 Correct 156 ms 5084 KB Output is correct
4 Correct 74 ms 5084 KB Output is correct
5 Correct 105 ms 5084 KB Output is correct
6 Correct 88 ms 5084 KB Output is correct
7 Correct 0 ms 5084 KB Output is correct
8 Correct 0 ms 5084 KB Output is correct
9 Correct 0 ms 5084 KB Output is correct
10 Correct 0 ms 5084 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5084 KB Output is correct
2 Correct 21 ms 5084 KB Output is correct
3 Correct 111 ms 5084 KB Output is correct
4 Correct 99 ms 5084 KB Output is correct
5 Correct 135 ms 5084 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 5084 KB Output is correct
2 Correct 25 ms 5084 KB Output is correct
3 Correct 83 ms 5084 KB Output is correct
4 Correct 102 ms 5084 KB Output is correct
5 Correct 128 ms 5084 KB Output is correct

Subtask #4
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 112 ms 5084 KB Output isn't correct - Too many calls to ping
2 Halted 0 ms 0 KB -