Submission #447843

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
447843	2021-07-27 17:39:27	koioi.org-koosaga	Hexagonal Territory (APIO21_hexagon)	C++17	60 / 100	75 ms	24140 KiB

hexagon

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#include "hexagon.h"
#include <bits/stdc++.h>
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
using namespace std;
typedef long long lint;
typedef pair<int, int> pi;
const int MAXN = 300005;
const int dx[6] = {0, 1, 1, 0, -1, -1};
const int dy[6] = {1, 1, 0, -1, -1, 0};
const int mod = 1e9 + 7;
struct mint {
    int val;
    mint() { val = 0; }
    mint(const lint& v) {
        val = (-mod <= v && v < mod) ? v : v % mod;
        if (val < 0) val += mod;
    }
    friend ostream& operator<<(ostream& os, const mint& a) { return os << a.val; }
    friend bool operator==(const mint& a, const mint& b) { return a.val == b.val; }
    friend bool operator!=(const mint& a, const mint& b) { return !(a == b); }
    friend bool operator<(const mint& a, const mint& b) { return a.val < b.val; }
    mint operator-() const { return mint(-val); }
    mint& operator+=(const mint& m) { if ((val += m.val) >= mod) val -= mod; return *this; }
    mint& operator-=(const mint& m) { if ((val -= m.val) < 0) val += mod; return *this; }
    mint& operator*=(const mint& m) { val = (lint)val*m.val%mod; return *this; }
    friend mint ipow(mint a, lint p) {
 
 
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Compilation message (stderr)

hexagon.cpp: In function 'int solve(std::vector<std::pair<int, int> >)':
hexagon.cpp:162:7: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
  162 |  mint ans = 0;
      |       ^~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 6
• Subtask 3: 11 / 11
• Subtask 4: 12 / 12
• Subtask 5: 15 / 15
• Subtask 6: 19 / 19
• Subtask 7: 0 / 18
• Subtask 8: 0 / 16