Submission #752448

#	Time	Username	Problem	Language	Result	Execution time	Memory
752448		jamezzz	Computer Network (BOI14_network)	C++17	100 / 100	116 ms	7808 KiB

network

#include "network.h"

int d[1005];

void findRoute (int N,int a,int b){
    int cur=a;
    for(int i=1;i<=N;++i)d[i]=i==b?-1:ping(i,b);
    while(cur!=b){
		for(int i=1;i<=N;++i){
			if(d[i]==d[cur]-1&&ping(cur,i)==0){
				travelTo(i);
				cur=i;
				break;
			}
		}
	}
}

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]
   48 |     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]
   51 |             scanf("%d", &distance[u][v]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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