#include <bits/stdc++.h>
#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
bool isvalid(vector<int>tre,vector<int>del){
int vis[tre.size()+5]={};
int canottake[tre.size()+5]={};
for(auto i:del) canottake[i]=1;
vector<ll>v[tre.size()+5];
for(int i=0;i<tre.size();i++){
if(tre[i]==-1) continue;
v[tre[i]].push_back(i);
}
queue<ll>proces;
proces.push(0);
while(proces.size()){
int num=proces.front();
proces.pop();
if(canottake[num]||vis[num]) continue;
vis[num]=1;
for(auto i:v[num]){
proces.push(i);
}
}
for(int i=0;i<tre.size();i++){
if(vis[i]==0&&canottake[i]==0) return 0;
}
return 1;
}
int solve(int N,int M,vector<int>F,vector<vector<int>>S){
ll ans=0;
map<ll,ll>mp[M+5];
vector<int>curr[M+5];
for(int i=0;i<N-1;i++){
int isgood=1;
for(int j=0;j<M;j++){
curr[j].push_back(S[j][i]);
mp[j][S[j][i]]=1;
if(!isvalid(F,curr[j])||mp[j]!=mp[0]) isgood=0;
}
ans+=isgood;
}
return ans;
}
void solve(){
co solve(3, 1, {-1, 0, 0}, {{1, 2}});
}
int main()
{
suiii
int _=1;
// cin>>_;
while(_--) solve();
return 0;
}
Compilation message
september.cpp: In function 'bool isvalid(std::vector<int>, std::vector<int>)':
september.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for(int i=0;i<tre.size();i++){
| ~^~~~~~~~~~~
september.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | for(int i=0;i<tre.size();i++){
| ~^~~~~~~~~~~
/usr/bin/ld: /tmp/ccMyleFN.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccROrzzN.o:september.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
