Submission #626146

#TimeUsernameProblemLanguageResultExecution timeMemory
626146peti1234Prisoner Challenge (IOI22_prison)C++17
100 / 100
12 ms1364 KiB
#include <bits/stdc++.h> using namespace std; vector<vector<int> > devise_strategy(int n){ vector<vector<int>> ans(21), ert(9), spec(9); vector<int> szint(21, 0); for (int i=0; i<=20; i++) { ans[i].resize(n+1); if (i<=8) ert[i].resize(n+1), spec[i].resize(n+1); } for (int i=0; i<=19; i++) { szint[i]=(i+2)/3; } szint[20]=8; for (int i=0; i<=20; i++) { ans[i][0]=(szint[i]%2); } for (int j=1; j<=n; j++) { int kis=1, nagy=5102; for (int i=0; i<=8; i++) { int res=0, res2=0; if (j==kis) res2=-1, res=1; if (j==nagy) res2=-2, res=3; if (kis<j && j<nagy) { kis++, nagy--; if (i<6) { int k1=kis+(nagy+1-kis)/3, k2=2*k1-kis; if (j<k1) res=1, nagy=k1-1; else if (j<k2) res=2, kis=k1, nagy=k2-1; else res=3, kis=k2; } if (i==6) res=19; if (i==7) res=20; if (i==8) res=0; } ert[i][j]=res, spec[i][j]=res2; } } for (int i=0; i<=20; i++) { for (int j=1; j<=n; j++) { int ut=(1<=i && i<=18 ? (i-1)%3+1 : 0), b=ert[szint[i]][j], sp=spec[szint[i]][j], el=(1<=i && i<=18 ? ert[szint[i]-1][j] : 0); if (ut!=el || sp) { if (ut!=el) ans[i][j]=(el<ut ? -1 : -2); else ans[i][j]=sp; if (szint[i]%2) ans[i][j]=-3-ans[i][j]; } else { ans[i][j]=(i<16 ? i+(3-i%3)%3+b : b); } } } return ans; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...