#include "hexagon.h"
#include <cassert>
#include <cstdio>
#include <vector>
//#include "hexagon.h"
#include <bits/stdc++.h>
#include <vector>
#define debu(x) (cerr << #x << " = "<< x << "\n")
using namespace std;
int draw_territory(int N, int A, int B, std::vector<int> D, std::vector<int> L)
{
#define int long long
int leng = L[0] + 1;
int ans = leng * (leng + 1) * (2 * leng + 1)/6;
ans -= leng*(leng + 1)/2;
ans *= B;
//debu(ans);
ans += A * (leng * (leng + 1))/2;
//debu(ans);
#undef int
return ans;
}
int main() {
int N, A, B;
assert(3 == scanf("%d %d %d", &N, &A, &B));
std::vector<int> D(N), L(N);
for (int i = 0; i < N; ++i) {
assert(2 == scanf("%d %d", &D[i], &L[i]));
}
int result = draw_territory(N, A, B, D, L);
printf("%d\n", result);
return 0;
}
Compilation message
/usr/bin/ld: /tmp/ccno9p0Y.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccNV3DLY.o:hexagon.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status
