제출 #456252

#제출 시각아이디문제언어결과실행 시간메모리
456252BT21tata슈퍼트리 잇기 (IOI20_supertrees)C++17
0 / 100
1 ms204 KiB
#include "supertrees.h" #include<bits/stdc++.h> using namespace std; int construct(vector<vector<int>> p) { int n = p.size(), mx=0; bool f=1; vector<vector<int>> ans; ans.resize(n); for (int i = 0; i < n; i++) { ans[i].resize(n); } vector<int>v; for(int i=0; i<n; i++) { v.clear(); v.push_back(i); for(int j=0; j<n; j++) { if(p[i][j]==2) v.push_back(j); } for(int j=0; j<(int)v.size()-1; j++) ans[v[j]][v[j+1]]=ans[v[j+1]][v[j]]=1; ans[v[0]][v[v.size()-1]]=ans[v[v.size()-1]][v[0]]=1; } for(int i=0; i<n; i++) for(int j=0; j<n; j++) if(i!=j and p[i][j]==1) ans[i][j]=ans[j][i]=1; build(ans); return 1; }

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:9:20: warning: unused variable 'mx' [-Wunused-variable]
    9 |  int n = p.size(), mx=0;
      |                    ^~
supertrees.cpp:10:7: warning: unused variable 'f' [-Wunused-variable]
   10 |  bool f=1;
      |       ^
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