제출 #516622

#제출 시각아이디문제언어결과실행 시간메모리
516622DanerZeinVision Program (IOI19_vision)C++14
0 / 100
9 ms1192 KiB
#include "vision.h" #include <bits/stdc++.h> using namespace std; int pos[210][210]; void construct_network(int H, int W, int K) { int id=0; for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ pos[i][j]=id++; } } vector<int> qu; int a; for(int i=0;i<H;i++){ qu.clear(); for(int j=0;j<W;j++){ qu.push_back(pos[i][j]); } a=add_or(qu); } int b; for(int i=0;i<W;i++){ qu.clear(); for(int j=0;j<H;j++){ qu.push_back(pos[j][i]); } b=add_or(qu); } int q; vector<int> imp; qu.clear(); for(int i=H*W;i<=a;i++){ qu.push_back(i); } q=add_xor(qu); qu.clear(); for(int i=a+1;i<=b;i++){ qu.push_back(i); } q=add_xor(qu); qu.clear(); qu={q,q-1}; imp.push_back(add_or(qu)); int r; for(int i=0;i<H-1;i++){ qu.clear(); qu={a,a+1}; r=add_and(qu); a++; } for(int j=0;j<W-1;j++){ qu.clear(); qu={b,b+1}; r=add_and(qu); b++; } qu.clear(); for(int i=q+1;i<=r;i++){ qu.push_back(i); } imp.push_back(add_or(qu)); q=add_and(imp); return; }

컴파일 시 표준 에러 (stderr) 메시지

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:13:7: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |   int a;
      |       ^
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