Submission #372681

#	Time	Username	Problem	Language	Result	Execution time	Memory
372681		Dymo	산악 구조대 (JOI13_mountain)	C++14	100 / 100	9 ms	512 KiB

mountain

#include<bits/stdc++.h>

#include "grader.h"
using namespace std;

#define ll int
#define pll pair<ll,ll>
#define ff first
#define ss second
#define pb push_back
#define endl "\n"
const ll maxn =1e6+10;
const ll mod=1e9+7;
const ll base=3e18;

ll a[maxn];
ll ask(ll x,ll y)
{
  return Measure(x,y);
}
void dosth(ll x,ll y,ll x1,ll y1,ll w,bool chk1,bool chk2)
{
    if (x>x1||y>y1)
        return ;
    ll posx;
    ll posy;
    if (chk1&&chk2)
    {
        posx=x1;
        posy=y;
    }
    else if (chk1)
    {
        posx=x;
        posy=y;
    }
    else if (chk2)
    {
        posx=x1;
        posy=y1;
    }
    else
    {
        posx=x;
        posy=y1;
    }
    ll t=ask(posx,posy);
    if (t==w)
    {
        Pinpoint(posx,posy);
        return ;
    }
    if (t>w)
    {
        if (chk1&&chk2)
        {
            dosth(x,y,x1-1,y1,w,chk1,chk2);
        }
        else if (chk1)
        {
            dosth(x+1,y,x1,y1,w,chk1,chk2);
        }
        else if (chk2)
        {
            dosth(x,y,x1-1,y1,w,chk1,chk2);
        }
        else
        {
            dosth(x+1,y,x1,y1,w,chk1,chk2);
        }
    }
    else
    {
        if (chk1&&chk2)
        {
            dosth(x,y+1,x1,y1,w,chk1,chk2);
        }
        else if (chk1)
        {
            dosth(x,y+1,x1,y1,w,chk1,chk2);
        }
        else if (chk2)
        {
            dosth(x,y,x1,y1-1,w,chk1,chk2);
        }
        else
        {
            dosth(x,y,x1,y1-1,w,chk1,chk2);
        }
    }

}
void Rescue(ll R,ll C,ll RS,ll CS,ll X)
{
    ll w=X;
    ll x=RS;
    ll y=CS;
    ll n=R;
    ll m=C;
    ll t=0;
    dosth(1,1,x,y,w,1,1);
    dosth(x,1,n,y,w,1,0);
    dosth(1,y,x,m,w,0,1);
    dosth(x,y,n,m,w,0,0);
}
/*int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    if (fopen("t.inp","r"))
    {
        freopen("test.inp","r",stdin);
        freopen("test.out","w",stdout);
    }


}*/

Compilation message (stderr)

mountain.cpp:14:15: warning: overflow in conversion from 'double' to 'int' changes value from '3.0e+18' to '2147483647' [-Woverflow]
   14 | const ll base=3e18;
      |               ^~~~
mountain.cpp: In function 'void Rescue(int, int, int, int, int)':
mountain.cpp:100:8: warning: unused variable 't' [-Wunused-variable]
  100 |     ll t=0;
      |        ^

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80