제출 #1051217

#제출 시각아이디문제언어결과실행 시간메모리
1051217nightfal비스킷 담기 (IOI20_biscuits)C++17
컴파일 에러
0 ms0 KiB
#include <cassert> #include <iostream> #include <cstdio> #include <vector> using namespace std; #define ll unsigned long long template <typename T> void print(T elem) {cout << elem << " ";} template <typename T> void print(vector<T> &v) {for(auto elem: v) print(elem); cout << endl;} void arrange(ll x, vector<ll> &a) { int k=a.size(); for(int i=0; i<k-1; i++) if (a[i] > x+1) { ll excess = (a[i]-x)/2; a[i] -= 2*excess; a[i+1] += excess; } return; } int possible(ll n, ll x, vector<ll> a) { int k = a.size(); // cout << "n:" << n << endl; ll m = n; for(int i=0; i<k && m>0; i++) { bool one = m%2; m >>= 1; if (a[i] > x+1) { ll excess = (a[i]-x)/2; a[i] -= 2*excess; a[i+1] += excess; } if (one) {if (a[i]<x) return 0;} else if (i<k-1) {a[i+1] += a[i]/2; a[i]=0;} // cout << "i:" << i << ", a: "; print(a); } if (m>0) return 0; else return 1; } ll subtask2(vector<ll> a) { int k=a.size(); ll prev = 0, curr = 1; for(int i=0; i<k; i++) { switch(a[i]) { case 0: curr += prev; prev = 0; break; case 1: curr *=2; break; case 2: prev += curr; curr *=2; } // cout << "i:" << i << " prev:" << prev << " curr:" << curr << endl; } return curr; } ll subtask1(ll x, vector<ll> a) { ll cnt = 0; for(int i=0; i<=100'000; i++) { cnt += possible(i,x,a); } return cnt; } ll count_tastiness(ll x, std::vector<ll> a) { a.resize(60,0); arrange(x,a); if (x==1) return subtask2(a); return subtask1(x, a); }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccbvLUnO.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