Submission #151896

#	Time	Username	Problem	Language	Result	Execution time	Memory
151896		Ruxandra985	Computer Network (BOI14_network)	C++14	100 / 100	115 ms	4816 KiB

network

#include <cstdio>
#include "network.h"

void findRoute (int n,int a,int b){
    int db[n+1];
    int i,curr,nxt;
    for (i=1;i<=n;i++){
        if (i!=b)
            db[i] = ping(b,i);
    }
    curr = a;
    db[b] = -1;
    while (curr!=b){
 		for (i=1;i<=n;i++){
            if (db[i]+1 == db[curr] && ping(i,curr) == 0){
                nxt = i;
                break;
            }
 		}

        travelTo(nxt);
        curr = nxt;
    }

}

Compilation message (stderr)

network.cpp: In function 'void findRoute(int, int, int)':
network.cpp:13:16: warning: 'nxt' may be used uninitialized in this function [-Wmaybe-uninitialized]
     while (curr!=b){
            ~~~~^~~
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: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25