Submission #683497

#	Time	Username	Problem	Language	Result	Execution time	Memory
683497		vjudge1	Mobile (BOI12_mobile)	C++17	0 / 100	1008 ms	24592 KiB

mobile

#include <bits/stdc++.h>
using namespace std;
    int i, j;

struct cord
{
    float x,y;
};

int main()
{
    int t, l;
    cin>> t>> l;
    float res[t], k;
    cord r[t];
    for(i=0; i<t; i++)
        cin>> r[i].x>> r[i].y;
    for(i=t-1; i>0; i--)
    {
        k=0.5*(r[i].x+r[i-1].x+(r[i].y*r[i].y-r[i-1].y*r[i-1].y)/(r[i].x-r[i-1].x));
        if(k<=l)
            break;
    }
        cout<< k;
}

Compilation message (stderr)

mobile.cpp: In function 'int main()':
mobile.cpp:14:11: warning: unused variable 'res' [-Wunused-variable]
   14 |     float res[t], k;
      |           ^~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 4
• Subtask 3: 0 / 4
• Subtask 4: 0 / 4
• Subtask 5: 0 / 4
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 0 / 5
• Subtask 11: 0 / 5
• Subtask 12: 0 / 5
• Subtask 13: 0 / 5
• Subtask 14: 0 / 5
• Subtask 15: 0 / 5
• Subtask 16: 0 / 5
• Subtask 17: 0 / 5
• Subtask 18: 0 / 5
• Subtask 19: 0 / 5
• Subtask 20: 0 / 5
• Subtask 21: 0 / 5