Submission #1068787

#	Time	Username	Problem	Language	Result	Execution time	Memory
1068787		BigBadBully	Naval battle (CEOI24_battle)	C++17	6 / 100	38 ms	4956 KiB

Main

// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
struct ship{
    int x,y;
    char dir;
    
    /*
    Northern — decreases the y coordinate by 1
    Southern — increases the y coordinate by 1
    Eastern — increases the x coordinate by 1
    Western — decreases the x coordinate by 1
    */
};
int calc(ship a, ship b)
{
    
    if (a.dir == b.dir)
        return 0;    
    if (a.x == b.x)
    {
        if (a.y < b.y)
            swap(a,b);
        if (a.dir == 'N' && b.dir == 'S')
            return (a.y-b.y)/2;
        return 0;    
    }
    if (a.y == b.y)
    {
        if (a.x < b.x)
            swap(a,b);
        if (a.dir == 'W' && b.dir == 'E')
            return (a.x-b.x)/2;
        return 0;
    }
    
       if(a.dir == 'N')
       {
           if (b.dir == 'E')
           {
               if (b.y-a.y == b.x-a.x)
                return abs(a.x-b.x);
           }
           else if (b.dir == 'W')
           {
               if (a.x+a.y == b.y+b.x)
                return abs(a.x-b.x);
           }
       }
       else if (a.dir == 'S')
       {
           if (b.dir == 'E')
           {
                 if (a.x+a.y == b.y+b.x)
                return abs(a.x-b.x);
           }
           else if (b.dir == 'W')
           {
                 if (b.y-a.y == b.x-a.x)
                return abs(a.x-b.x);
           }
       }
       else if (a.dir == 'W')
       {
           if (b.dir == 'N')
           {
               if (a.x+a.y == b.y+b.x)
                return abs(a.x-b.x);
           }
           else if (b.dir == 'S')
           {
               if (b.y-a.y == b.x-a.x)
                return abs(a.x-b.x);
           }
       }
       else if (a.dir == 'E')
       {
          if (b.dir == 'N')
           {
               if (b.y-a.y == b.x-a.x)
                return abs(a.x-b.x);
           }
           else if (b.dir == 'S')
           {
               if (a.x+a.y == b.y+b.x)
                return abs(a.x-b.x);
           }
       }
           
    
    return 0;
}
signed main() {
    ios::sync_with_stdio(0);
    int n;
    cin >> n;
    
    vector<ship> v(n);
    for (int i = 0; i < n; i++)
    {
        cin >> v[i].x >> v[i].y >> v[i].dir;
        
    }
    if (n>2)
    {
        cout << "n\n";
        return 0;
    }
    ship c = v[0];
    ship d = v[1];
    if (!calc(c,d))
    {
        cout << "1\n2\n";
    }
    return 0;
}

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 0 / 12
• Subtask 3: 0 / 8
• Subtask 4: 0 / 11
• Subtask 5: 0 / 9
• Subtask 6: 0 / 30
• Subtask 7: 0 / 24