Submission #124443

#	Time	Username	Problem	Language	Result	Execution time	Memory
124443		HassenAissa	Strange Device (APIO19_strange_device)	C++14	10 / 100	5016 ms	524292 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;


int main()
{
    long long unsigned n,a,b,t,l;
    scanf("%llu%llu%llu",&n,&a,&b);
    set<pair<long long unsigned,long long unsigned> > res;
    for(long long unsigned i=0;i<n;i++)
    {
        scanf("%llu%llu",&t,&l);
        for(long long unsigned j=t;j<=l;j++)
        {
            res.insert(make_pair((j+j/b)%a,j%b));
        }
    }
    printf("%llu",res.size());
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:18:29: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 2 has type 'std::set<std::pair<long long unsigned int, long long unsigned int> >::size_type {aka long unsigned int}' [-Wformat=]
     printf("%llu",res.size());
                   ~~~~~~~~~~^
strange_device.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%llu%llu%llu",&n,&a,&b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%llu%llu",&t,&l);
         ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 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