Submission #420247

#	Time	Username	Problem	Language	Result	Execution time	Memory
420247		vkgainz	Packing Biscuits (IOI20_biscuits)	C++17	Compilation error	0 ms	0 KiB

biscuits

#include <bits/stdc++.h>
using namespace std;

int64_t count_tastiness(int64_t x, vector<int64_t> a) {
    int64_t ans = 1;
    int64_t curr = 0, lst = -1;
    for(int i = 0; i < (int) a.size(); i++) {
        if(curr < (1LL << (i - lst)))
            ans *= (curr + 1), curr = 0, lst = i;
        curr += (1LL << (i - lst)) * a[i];
    }
    ans *= (curr + 1);
    return ans;
}

int main() {
    int N; cin >> N;
    vector<int64_t> a(N);
    for(int i = 0; i < N; i++) {
        cin >> a[i];
    }
    cout << count_tastiness(1, a);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc7ZVnYM.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cctN6dsN.o:biscuits.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc7ZVnYM.o: in function `main':
grader.cpp:(.text.startup+0x48b): undefined reference to `count_tastiness(long long, std::vector<long long, std::allocator<long long> >)'
collect2: error: ld returned 1 exit status