Submission #596042

#TimeUsernameProblemLanguageResultExecution timeMemory
596042AGESob (COCI19_sob)C++14
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> #define F first #define S second #define pb push_back #define int long long using namespace std; const int N=2e6+10,M=2e3,mod=10; int vis[N],cnt=1,mt[N]; vector<int>adj[N]; bool trykuhn(int node){ if(vis[node]==cnt) return 0; vis[node]=cnt; for(auto x:adj[node]){ if(mt[x]==-1){ mt[x]=node; return 1; } } for(auto x:adj[node]){ if(trykuhn(mt[x])){ mt[x]=node;return 1; } } return 0; } main() { if(n+m<=1000){ int n,m; cin>>n>>m; for(int i=0;i<n;i++){ for(int j=m;j<n+m;j++){ if((i&j)==i) adj[i].pb(j),adj[j].pb(i); } } for(int i=0;i<n+m;i++) mt[i]=-1; for(int i=0;i<n;i++){ trykuhn(i),cnt++; } for(int i=0;i<n;i++) cout<<mt[i+m]<<" "<<i+m<<endl; } else{ vector<pair<int,int>>v; for(int i=m;i<n+m;i++){ bitset<32>bt; int num=0; bt=i; for(int j=0;j<31;j++){ if(bt[j]==1){ num+=(1<<j); if(vis[num]==0){ vis[num]=1; break; } } } if(num==n){ num=0; } v.pb({num,i}); } sort(v.begin(),v.end()); for(int i=0;i<v.size();i++) cout<<v[i].F<<" "<<v[i].S<<endl; } return 0; }

Compilation message (stderr)

sob.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main()
      | ^~~~
sob.cpp: In function 'int main()':
sob.cpp:40:8: error: 'n' was not declared in this scope
   40 |     if(n+m<=1000){
      |        ^
sob.cpp:40:10: error: 'm' was not declared in this scope; did you mean 'mt'?
   40 |     if(n+m<=1000){
      |          ^
      |          mt
sob.cpp:41:13: error: redeclaration of 'long long int n'
   41 |         int n,m;
      |             ^
sob.cpp:40:8: note: '<typeprefixerror>n' previously declared here
   40 |     if(n+m<=1000){
      |        ^
sob.cpp:41:15: error: redeclaration of 'long long int m'
   41 |         int n,m;
      |               ^
sob.cpp:40:10: note: '<typeprefixerror>m' previously declared here
   40 |     if(n+m<=1000){
      |          ^
sob.cpp:96:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for(int i=0;i<v.size();i++)
      |                     ~^~~~~~~~~