Submission #107932

#	Time	Username	Problem	Language	Result	Execution time	Memory
107932		tjd229	Computer Network (BOI14_network)	C++14	50 / 100	129 ms	8056 KiB

network

#include "network.h"
#include <vector>
using namespace std;
vector<int> candi[1000];
void findRoute (int N, int a, int b)
{
	int len = ping(a, b);
	for (int i = 1; i <= N; ++i) {
		if (a == i || b == i) continue;
		int d = ping(a, i);
		candi[d].push_back(i);
	}
	for (int i = 0; i < len; ++i) {
		for (auto x : candi[i]) {
			if (i != 0) {
				if (ping(a, x)) continue;
			}			
			if (ping(x, b) + i + 1 == len) {
				a = x;
				travelTo(a);
				break;
			}			
		}
	}
	travelTo(b);	
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:48:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d%d%d%d", &N, &a, &b, &M);
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.c:51:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &distance[u][v]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 0 / 25