Submission #957765

#TimeUsernameProblemLanguageResultExecution timeMemory
957765vjudge1Mars (APIO22_mars)C++17
14 / 100
16 ms21232 KiB
#include <bits/stdc++.h> #define f first #define s second #define ent '\n' //#define int long long #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3") const int dx[]={-1, 1, 0, 0, 0}; const int dy[]={0, 0, 1, -1, 0}; typedef long long ll; using namespace std; const int mx=50+12; const int mod=998244353; const bool T=1; int used[mx][mx]; int lx[mx][mx][mx], rx[mx][mx][mx]; int ly[mx][mx][mx], ry[mx][mx][mx]; int pos(int x,int y,int n){ return x*n+y; } void dfs(int x,int y,int n){ used[x][y]=1; for(int i=0;i<4;i++){ int x1=dx[i]+x, y1=dy[i]+y; if(min(x1, y1)>=0 && max(x1, y1)<n && !used[x1][y1]){ dfs(x1, y1, n); } } } void init(int n){ for(int i=0;i<2*n+1;i++){ for(int j=0;j<2*n+1;j++){ for(int k=0;k<=n;k++){ lx[i][j][k]=rx[i][j][k]=-1; ly[i][j][k]=ry[i][j][k]=-1; if(k<=4){ lx[i][j][k]=i, rx[i][j][k]=i+2*k; ly[i][j][k]=j, ry[i][j][k]=j+2*k; } } } } for(int k=n;k>5;k--){ for(int i=0;i+2*k<2*n+1;i++){ for(int j=0;j+2*k<2*n+1;j++){ lx[i][j][k-1]=i, ly[i][j][k-1]=j; rx[i][j][k-1]=i+9, ry[i][j][k-1]=j+9; } } for(int i=0;i+2*k-2<2*n+1;i++){ for(int j=0;j+2*k-2<2*n+1;j++){ if(!lx[i][j][k-1]){ if(max(i, j)+2*k-2 == 2*n+1){ rx[i][j][k-1]=i+2*(k-1), ry[i][j][k-1]=j+2*(k-1); lx[i][j][k-1]=rx[i][j][k-1]-9, ly[i][j][k-1]=ry[i][j][k-1]-9; } else{ rx[i][j][k-1]=(i*2+2*(k-1))/2+4, ry[i][j][k-1]=(j*2+2*(k-1))/2+4; lx[i][j][k-1]=rx[i][j][k-1]-9, ly[i][j][k-1]=ry[i][j][k-1]-9; } } } } } } void upd(string a, int x,int y, int k){ if(lx[x][y][k]==-1){ return; } int pos=0; for(int i=lx[x][y][k];i<=rx[x][y][k];i++){ for(int j=ly[x][y][k];j<=ry[x][y][k];j++){ used[i][j]=(a[pos] == '1'); pos++; } } } std::string process(std::vector<std::vector<std::string> > a,int x,int y,int k,int n){ init(n); k++; string ans=""; while(ans.size()<100){ ans+='0'; } for(int i=0;i<3;i++){ for(int j=0;j<3;j++){ upd(a[i][j], x+i, y+j, k-1); } } if(lx[x][y][k]!=-1){ int pos=0; for(int i=lx[x][y][k];i<=rx[x][y][k];i++){ for(int j=ly[x][y][k];j<=ry[x][y][k];j++){ ans[pos]=used[i][j]+'0'; pos++; } } } if(n==k){ for(int i=0;i<2*n+1;i++){ for(int j=0;j<2*n+1;j++){ used[i][j]=1-used[i][j]; } } int cnt=0; for(int i=0;i<2*n+1;i++){ for(int j=0;j<2*n+1;j++){ if(!used[i][j]){ cnt++; dfs(i, j, 2*n+1); } } } for(int i=0;i<100;i++){ if(i>=20){ ans[i]='0'; } else{ if((cnt&(1<<i))){ ans[i]='1'; } else{ ans[i]='0'; } } } return ans; } return ans; }
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