Submission #434258

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
434258	2021-06-20 20:04:30	Monchito	장난감 기차 (IOI17_train)	C++14	5 / 100	2076 ms	1356 KiB

train

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#include "train.h"
#include <algorithm>
using namespace std;
const int MAXN = 5e3;
int n, m;
int G[MAXN];
bool vis[MAXN];
void DFS(int u, int& ret, vector<int>& r) {
    vis[u] = true;
    if(G[u] == u) {
        ret = (r[u]==1)? 1 : 0;
        return;
    }
    DFS(G[u], ret, r);
}
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
    m = (int)u.size();
    vector<vector<int>> graph(n);
    vector<pair<int,int>> edges(m);
    for(int i=0; i<m; i++)
        edges[i] = make_pair(u[i], v[i]);
    sort(edges.begin(), edges.end());
 
 
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Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:52:16: warning: 'current' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |         ans[i] = current;

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51