제출 #420247

#제출 시각아이디문제언어결과실행 시간메모리
420247vkgainz비스킷 담기 (IOI20_biscuits)C++17
컴파일 에러
0 ms0 KiB
#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);
}

컴파일 시 표준 에러 (stderr) 메시지

/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