제출 #253461

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
253461	2020-07-28 05:15:41	Markoes	Wish (LMIO19_noras)	C++14	100 / 100	190 ms	11376 KiB

noras

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#include<bits/stdc++.h>
using namespace std;
int n;
long long R,a,b,c,d,l,r,mid,teng,tmp1,tmp2,opo,bwh,ats;
vector<pair<long long,long long> > v;
long long dist(long long x){
  long long ret;
  ret = (a+c*x)*(a+c*x) + (b+d*x)*(b+d*x);
  return ret;
}
int main(){
  ios_base::sync_with_stdio(NULL);
  cin.tie(0);cout.tie(0);
  cin>>n>>R;
  R *= R;
  for(int i=1;i<=n;i++){
    cin>>a>>b>>c>>d;
    c = c-a;
    d = d-b;
    a -= c;
    b -= d;
    opo = max(abs(c),abs(d));
    l = 1;
    r = 1e9/opo;
    //cout<<r<<endl;
    while(l<=r){
      mid = (l+r)/2;
      tmp1 = dist(mid);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

noras.cpp: In function 'int main()':
noras.cpp:93:6: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized]
   cnt++;
   ~~~^~

• Subtask 1: 23 / 23
• Subtask 2: 23 / 23
• Subtask 3: 15 / 15
• Subtask 4: 32 / 32
• Subtask 5: 7 / 7