oj.uz

Submission #916677

# Submission time Handle Problem Language Result Execution time Memory
916677 2024-01-26T09:27:08 Z green_gold_dog Hexagonal Territory (APIO21_hexagon) C++17
Compilation error
 0 ms 0 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>
#include"hexagon.h"

using namespace std;

typedef int ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;

constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;

random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());

template<typename T>
bool assign_max(T& a, T b) {
        if (b > a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
bool assign_min(T& a, T b) {
        if (b < a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
T square(T a) {
        return a * a;
}

template<>
struct std::hash<pair<ll, ll>> {
        ll operator() (pair<ll, ll> p) const {
                return ((__int128)p.first * MOD + p.second) % INF64;
        }
};

ll draw_territory(ll n, ll a, ll b, vector<ll>& d, vector<ll>& l) {
        ll x = l[0];
        ll sum = (long long)l[0] * (l[0] + 1) / 2 % MOD;
        return sum * a % MOD;
}

Compilation message

hexagon.cpp:13:22: warning: overflow in conversion from 'long int' to 'll' {aka 'int'} changes value from '9000000000000000000' to '-494665728' [-Woverflow]
   13 | constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~
hexagon.cpp: In function 'll draw_territory(ll, ll, ll, std::vector<int>&, std::vector<int>&)':
hexagon.cpp:52:12: warning: unused variable 'x' [-Wunused-variable]
   52 |         ll x = l[0];
      |            ^
/usr/bin/ld: /tmp/ccaqMI5g.o: in function `main':
grader.cpp:(.text.startup+0x228): undefined reference to `draw_territory(int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status