Submission #749928

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
749928	2023-05-29 01:28:57	Trunkty	Matching (COCI20_matching)	C++14	5 / 110	5 ms	7384 KiB

matching

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
int n;
vector<int> row[100005],col[100005];
int root[100005];
vector<int> vals[100005];
vector<vector<int>> ans;
int findroot(int x){
    if(root[x]!=x){
        root[x] = findroot(root[x]);
    }
    return root[x];
}
void domerge(int a, int b){
    int x = findroot(a), y = findroot(b);
    if(x==y){
        return;
    }
    else{
        if(vals[x].size()<vals[y].size()){
            swap(x,y);
            swap(a,b);
        }
        if(vals[x][0]==a){
            reverse(vals[x].begin(),vals[x].end());
 
 
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Compilation message (stderr)

matching.cpp: In function 'int main()':
matching.cpp:73:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |             for(int j=0;j<vals[i].size();j+=2){
      |                         ~^~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 40
• Subtask 5: 0 / 52