제출 #456160

#제출 시각아이디문제언어결과실행 시간메모리
456160Khizri슈퍼트리 잇기 (IOI20_supertrees)C++17
0 / 100
1 ms204 KiB
#include "supertrees.h" #include <vector> int construct(std::vector<std::vector<int>> arr) { int n = arr.size(); std::vector<std::vector<int>> ans; for (int i = 0; i < n; i++) { std::vector<int> row; row.resize(n); ans.push_back(row); } for(int i=0;i<n-1;i++){ ans[i][i+1]=1; ans[i+1][i]=1; } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ ans[i][j]=arr[i][j]; } } for(int i=0;i<n;i++){ ans[i][i]=0; } build(ans); return 1; }
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