Submission #283178

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
283178	2020-08-25 10:56:49	egekabas	Pipes (BOI13_pipes)	C++14	100 / 100	109 ms	17148 KiB

pipes

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#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
ll n, m;
ll vert[100009];
ll deg[100009];
vector<pll> g[100009];
ll vis[100009];
ll ans[500009];
pll val[500009];
void dfs1(ll v){
    vis[v] = 1;
    for(auto u : g[v]){
        if(vis[u.ff])
            continue;
        ans[u.ss] = vert[v];
        vert[v] -= ans[u.ss];
        vert[u.ff] -= ans[u.ss];
        deg[v]--;
 
 
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Compilation message (stderr)

pipes.cpp: In function 'int main()':
pipes.cpp:90:25: warning: 'var' may be used uninitialized in this function [-Wmaybe-uninitialized]
   90 |             ans[i] = var*val[i].ff+val[i].ss;
      |                         ^

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70