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Submission #643245

# Submission time Handle Problem Language Result Execution time Memory
643245 2022-09-21T15:00:29 Z fatemetmhr Spiral (BOI16_spiral) C++17
0 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define pb       push_back
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn5 = 1e5 + 10;
const int inf   = 1e9;
const int mod   = 1e9 + 7;
const ll  mod10 = 10000000070;


inline ll get(ll x, ll y){
    if(x == 0 && y == 0)
        return 1;
    if(x >= 0 && y < 0){
        if(x == -y)
            return ((2 * x + 1) % mod) * ((2 * x + 1) % mod) % mod;
        if(x < -y)
            return (mod10 + get(-y, y) - (((-y) - x) % mod)) % mod;
        return (get(x - 1, -(x - 1)) + 1 + x + y + mod10) % mod;
    }
    if(x < 0 && y <= 0){
        if(x == y)
            return (get(-x, y) + 2 * x + mod10) % mod;
        if(x < y)
            return (get(x, x) - (-x + y) + mod10) % mod;
        return (get(y, y) + (-y + x) + mod10) % mod;
    }
    if(x <= 0 && y > 0){
        if(-x == y)
            return (get(x, x) + 2 * x + mod10) % mod;
        if(-x > y)
            return (get(x, -x) + (-x - y) + mod10) % mod;
        return (get(-y, y) - (y + x) + mod10) % mod;
    }
    if(x > 0 && y >= 0){
        if(x == y)
            return (get(-x, x) - 2 * x + mod10) % mod;
        if(x < y)
            return (get(y, y) + y - x + mod10) % mod;
        return (get(x, x) - (x - y) + mod10) % mod;
    }
    cout << "WTF " << endl;
    cout << 1 / 0 << endl;
    return -1;
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    ll n, q; cin >> n >> q;
    while(q--){
        ll x, y; cin >> x >> y >> x >> y;
        cout << get(x, y) % mod << '\n';
    }
}

Compilation message

spiral.cpp: In function 'll get(ll, ll)':
spiral.cpp:50:15: warning: division by zero [-Wdiv-by-zero]
   50 |     cout << 1 / 0 << endl;
      |             ~~^~~

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -