제출 #959264

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
959264	2024-04-07 18:43:06	nihon	Topovi (COCI15_topovi)	C++14	18 / 120	670 ms	32556 KiB

topovi

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#include <bits/stdc++.h>
#define ll long long
#define N 100005
using namespace std;
int n,k,p,i,j,x,y,x2,y2,a,o;
ll t;
unordered_map<int,int> r,c,f,g;
map<pair<int,int> ,int> m;
int main()
{
    cin>>n>>k>>p;
    f[0]=g[0]=n;
    for(i=1;i<=k;++i)
    {
        cin>>x>>y>>a;
        m[{x,y}]=a;
        r[x]^=a;
        c[y]^=a;
    }
    for(auto e:r)
    {
        if(!e.second) continue;
        f[e.second]++;
        o++;
        f[0]--;
    }
    for(auto e:c)
    {
        if(!e.second) continue;
        g[e.second]++;
 
 
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• Subtask 1: 18 / 120