## UVA Live archivwe5818 : WA

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starain
New poster
Posts: 4
Joined: Thu Nov 15, 2012 10:49 pm

### UVA Live archivwe5818 : WA

http://uva.onlinejudge.org/external/123/12376.html

Code: Select all

``````#include <iostream>
#include <cstdio>
#include "vector"
#include "queue"
#include "cstring"
#include "algorithm"

//N, maximum number of node
#define N 100

using namespace std;

int n,m;
vector< int > life[N+10];
int learn[N+10]; // Learning at each node
int total[N+10]; // Total learning from source

void takeInput()
{
//Not handle Blank line before each test case scanf will do that for me ( I think ).
for(int i=0; i<n; i++) {
scanf("%d", &learn[i]);
life[i].clear();
}
for(int i=0, u, v; i<m; i++) {
scanf("%d %d", &u, &v);
life[u].push_back(v);
}
return;
}

void maxLearn()
{
// Find maximum learning from source to each node and store it in total( Algo : BFS)
queue< int > Q;
memset(total, 0, sizeof(total));

int u,v;

Q.push(0);
while( !Q.empty() ) {
u = Q.front(); Q.pop();
for(int i=0, l=life[u].size(); i<l; i++) {
v = life[u][i];
if(total[v] < (total[u]+learn[v]) ) {
total[v] = total[u] + learn[v];
Q.push(v);
}
}
}
return;
}

int main()
{
//freopen("a.txt", "r", stdin);
int *max_e;
int kases; cin >>kases;
for(int kase=1; kase<=kases; kase++) {
scanf("%d %d", &n, &m);
takeInput();
maxLearn();
max_e = max_element(total, total+n);
printf("Case %d: %d %d\n", kase, *max_e, (max_e-total) );
}

return 0;
}
``````

brianfry713
Guru
Posts: 5947
Joined: Thu Sep 01, 2011 9:09 am
Location: San Jose, CA, USA

### Re: UVA Live archivwe5818 : WA

Check input and AC output for thousands of problems on uDebug!