Submission #884370

#	Time	Username	Problem	Language	Result	Execution time	Memory
884370		ezzzay	Strange Device (APIO19_strange_device)	C++14	0 / 100	2079 ms	524288 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
   int n,a,b;
   cin>>n>>a>>b;
   set<pair<int,int>>st;
   for(int i=1;i<=n;i++){
       int l,r;
       cin>>l>>r;
       for(int x=l;x<=r;x++){
           if(st.size()==max(a,b))break;
            st.insert(make_pair((x+x/b)%a, x%b));
       }
       if(st.size()==max(a,b))break;
   }
   cout<<st.size();
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:12:24: warning: comparison of integer expressions of different signedness: 'std::set<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'const long long int' [-Wsign-compare]
   12 |            if(st.size()==max(a,b))break;
      |               ~~~~~~~~~^~~~~~~~~~
strange_device.cpp:15:20: warning: comparison of integer expressions of different signedness: 'std::set<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'const long long int' [-Wsign-compare]
   15 |        if(st.size()==max(a,b))break;
      |           ~~~~~~~~~^~~~~~~~~~

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