Submission #955781

#	Time	Username	Problem	Language	Result	Execution time	Memory
955781		vjudge1	Pinball (JOI14_pinball)	C++17	0 / 100	1 ms	348 KiB

pinball

#include <bits/stdc++.h>

using namespace std;
long long n,m,cena=10e9;
long long a[2000],b[2000],c[2000],d[2000];

int rek(long long l,long long r,long long rez,int i){
     if(l<=1 && r>=n)
        return rez;
     else if(i==-1) return 10e19;

        int rez1=10e19,rez2=10e19;
        rez1=rek(l,r,rez,i-1);
        if(c[i]<=r && c[i]>=l){
            if(l==0 || r==0)
            rez2=rek(a[i],b[i],rez+d[i],i-1);
            else
            rez2=rek(min(a[i],l),max(b[i],r),rez+d[i],i-1);
        }
        else if(l==0)
        rez2=rek(a[i],b[i],rez+d[i],i-1);
        return min(rez1,rez2);
     }

int main()
{

    cin>>m>>n;
    long long l=0,r=0,rez=0;
    for(int i=0;i<m;i++) cin>>a[i]>>b[i]>>c[i]>>d[i];

    int k=rek(0,0,0,m-1);
    if(k==10e19) cout<<-1;
    else cout<<k;
    return 0;
}

Compilation message (stderr)

pinball.cpp: In function 'int rek(long long int, long long int, long long int, int)':
pinball.cpp:10:28: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+20' to '2147483647' [-Woverflow]
   10 |      else if(i==-1) return 10e19;
      |                            ^~~~~
pinball.cpp:12:18: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+20' to '2147483647' [-Woverflow]
   12 |         int rez1=10e19,rez2=10e19;
      |                  ^~~~~
pinball.cpp:12:29: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+20' to '2147483647' [-Woverflow]
   12 |         int rez1=10e19,rez2=10e19;
      |                             ^~~~~
pinball.cpp: In function 'int main()':
pinball.cpp:29:15: warning: unused variable 'l' [-Wunused-variable]
   29 |     long long l=0,r=0,rez=0;
      |               ^
pinball.cpp:29:19: warning: unused variable 'r' [-Wunused-variable]
   29 |     long long l=0,r=0,rez=0;
      |                   ^
pinball.cpp:29:23: warning: unused variable 'rez' [-Wunused-variable]
   29 |     long long l=0,r=0,rez=0;
      |                       ^~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 49