Submission #598886

#TimeUsernameProblemLanguageResultExecution timeMemory
598886MrDebooCards (LMIO19_korteles)C++17
100 / 100
455 ms41040 KiB
#include <bits/stdc++.h> #define int long long #define endl '\n' using namespace std; int a[16][1000000]; int idk; int git(char chr[2][2]){ int b=0,g=1; for(int i=0;i<2;i++){ for(int w=0;w<2;w++){ b+=g*(chr[i][w]-'A'); g*=27; } } return a[idk][b]; } void incr(char chr[2][2]){ int b=0,g=1; for(int i=0;i<2;i++){ for(int w=0;w<2;w++){ b+=g*(chr[i][w]-'A'); g*=27; } } a[idk][b]++; } signed main(){ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); int n; cin>>n; int ans=0; for(int i=0;i<n;i++){ char chr[2][2]; for(int w=0;w<2;w++){ for(int j=0;j<2;j++){ cin>>chr[w][j]; } } for(int w=1;w<(1<<4);w++){ char G[2][2]; G[0][0]='Z'+1,G[1][0]='Z'+1,G[0][1]='Z'+1,G[1][1]='Z'+1; bool bl=1; for(int j=0;j<4;j++){ if((1<<j)&w){ if(j==2){ if(G[1][0]!='Z'+1&&G[1][0]!=chr[0][0])bl=0; if(G[1][1]!='Z'+1&&G[1][1]!=chr[0][1])bl=0; G[1][0]=chr[0][0]; G[1][1]=chr[0][1]; } if(j==3){ if(G[0][0]!='Z'+1&&G[0][0]!=chr[0][1])bl=0; if(G[1][0]!='Z'+1&&G[1][0]!=chr[1][1])bl=0; G[0][0]=chr[0][1]; G[1][0]=chr[1][1]; } if(j==0){ if(G[0][0]!='Z'+1&&G[0][0]!=chr[1][0])bl=0; if(G[0][1]!='Z'+1&&G[0][1]!=chr[1][1])bl=0; G[0][0]=chr[1][0]; G[0][1]=chr[1][1]; } if(j==1){ if(G[0][1]!='Z'+1&&G[0][1]!=chr[0][0])bl=0; if(G[1][1]!='Z'+1&&G[1][1]!=chr[1][0])bl=0; G[0][1]=chr[0][0]; G[1][1]=chr[1][0]; } } } if(!bl)continue; idk=w-1; ans+=git(G)*(__builtin_popcount(w)%2?1:-1); } for(int w=1;w<(1<<4);w++){ char G[2][2]; G[0][0]='Z'+1,G[1][0]='Z'+1,G[0][1]='Z'+1,G[1][1]='Z'+1; for(int j=0;j<4;j++){ if((1<<j)&w){ if(j==0){ G[0][0]=chr[0][0]; G[0][1]=chr[0][1]; } if(j==1){ G[0][1]=chr[0][1]; G[1][1]=chr[1][1]; } if(j==2){ G[1][0]=chr[1][0]; G[1][1]=chr[1][1]; } if(j==3){ G[0][0]=chr[0][0]; G[1][0]=chr[1][0]; } } } idk=w-1; incr(G); } // cout<<ans<<endl; } cout<<ans; }
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