Submission #283285

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
283285	2020-08-25 13:37:12	groeneprof	Strange Device (APIO19_strange_device)	C++14	35 / 100	756 ms	35168 KiB

strange_device

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#include <bits/stdc++.h>
#define int long long
#define P(a) do{if(debug) cout<<a<<endl;} while(false)
#define H(a) P(#a<<": "<<a)
#define FR(i,a,b) for(int i = (a); i<(b); i++)
#define F(i,n) FR(i,0,n)
const int debug = 1;
using namespace std;
int n, A, B;
int p;
int ggd(int a, int b){
  if(a<b) swap(a,b);
  while(b!=0){
    a = a%b;
    swap(a,b);
  }
  return a;
}
signed main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cin>>n>>A>>B;
  p = (A/ggd(A,B+1));
  if(((int)sqrt(p))*((int)sqrt(B))>1e9){
    p = 2e18;
  }
 
 
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Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:5:37: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define FR(i,a,b) for(int i = (a); i<(b); i++)
      |                                     ^
strange_device.cpp:56:2: note: in expansion of macro 'FR'
   56 |  FR(i,1,segments.size()){
      |  ^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30