Submission #432622

#	Time	Username	Problem	Language	Result	Execution time	Memory
432622		inwbear	Strange Device (APIO19_strange_device)	C++14	0 / 100	5097 ms	524292 KiB

strange_device

#include <bits/stdc++.h>
using namespace std;
long long a,b,n,l,r,c1,c2,ans;
map<pair<long long,long long>,bool >mp;
int main()
{
    scanf("%lld %lld %lld",&n,&a,&b);
    for(int i=1;i<=n;i++)
    {
        scanf("%d %d",&l,&r);
        for(int ii=l;ii<=r;ii++)
        {
            c1=(ii+(ii/b))%a;
            c2=ii%b;
            if(!mp[{c1,c2}])mp[{c1,c2}]=true,ans++;
        }
    }
    printf("%lld",ans);
}

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:10:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
   10 |         scanf("%d %d",&l,&r);
      |                ~^     ~~
      |                 |     |
      |                 int*  long long int*
      |                %lld
strange_device.cpp:10:20: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
   10 |         scanf("%d %d",&l,&r);
      |                   ~^     ~~
      |                    |     |
      |                    int*  long long int*
      |                   %lld
strange_device.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%lld %lld %lld",&n,&a,&b);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%d %d",&l,&r);
      |         ~~~~~^~~~~~~~~~~~~~~

• 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