이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "vision.h"
#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<set>
#include<unordered_set>
#include<unordered_map>
#include<cassert>
#include<stack>
#include<fstream>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define all(x) x.begin(),x.end()
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
void construct_network(int H, int W, int K) {
vector<int> Ns;
int T=H+W-1;
for(int s=0;s<T;s++){
Ns.clear();
rep(i,H)rep(j,W)if(i+j==s)Ns.push_back(i*W+j);
add_or(Ns);
}
for(int s=0;s<T;s++){
Ns.clear();
rep(i,H)rep(j,W)if(i-j+W-1==s)Ns.push_back(i*W+j);
add_or(Ns);
}
int qid;
for(int s=0;s+K<T;s++){
Ns.clear();
Ns={H*W+s,H*W+s+K};
qid=add_and(Ns);
}
Ns.clear();
for(int s=H*W+2*T;s<=qid;s++)Ns.push_back(s);
int x_k=add_or(Ns);//xの距離がちょうどkなら1
for(int s=0;s+K<T;s++){
Ns.clear();
Ns={H*W+T+s,H*W+T+s+K};
qid=add_and(Ns);
}
Ns.clear();
for(int s=x_k+1;s<=qid;s++)Ns.push_back(s);
int y_k=add_or(Ns);//yの距離がちょうどkなら1
for(int s=0;s+K<T;s++){
Ns.clear();
for(int i=0;i<s;i++)Ns.push_back(i+H*W);
for(int i=s+K+1;s<T;s++)Ns.push_back(i+H*W);
qid=add_or(Ns);
}
Ns.clear();
for(int i=y_k+1;i<=qid;i++)Ns.push_back(i);
int x_kinai=add_and(Ns);//xの距離がK以下なら0
for(int s=0;s+K<T;s++){
Ns.clear();
for(int i=0;i<s;i++)Ns.push_back(i+T+H*W);
for(int i=s+K+1;s<T;s++)Ns.push_back(i+T+H*W);
qid=add_or(Ns);
}
Ns.clear();
for(int i=x_kinai+1;i<=qid;i++)Ns.push_back(i);
int y_kinai=add_and(Ns);//yの距離がK以下なら0
int x_kinai_rev=add_not(x_kinai);
int y_kinai_rev=add_not(y_kinai);
Ns.clear();
Ns.push_back(x_k);
Ns.push_back(y_kinai_rev);
int vl=add_and(Ns);
Ns.clear();
Ns.push_back(y_k);
Ns.push_back(x_kinai_rev);
int vr=add_and(Ns);
Ns.clear();
//Ns.push_back(vl);
//Ns.push_back(vr);
//add_or(Ns);
Ns.push_back(x_k);
Ns.push_back(y_k);
add_or(Ns);
}
컴파일 시 표준 에러 (stderr) 메시지
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:77:6: warning: unused variable 'vl' [-Wunused-variable]
int vl=add_and(Ns);
^~
vision.cpp:81:6: warning: unused variable 'vr' [-Wunused-variable]
int vr=add_and(Ns);
^~
vision.cpp:40:21: warning: 'qid' may be used uninitialized in this function [-Wmaybe-uninitialized]
for(int s=H*W+2*T;s<=qid;s++)Ns.push_back(s);
~^~~~~
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