제출 #787019

#제출 시각아이디문제언어결과실행 시간메모리
787019hariaakas646Detecting Molecules (IOI16_molecules)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define scd(t) scanf("%d", &t) #define scld(t) scanf("%ld", &t) #define sclld(t) scanf("%lld", &t) #define scc(t) scanf("%c", &t) #define scs(t) scanf("%s", t) #define scf(t) scanf("%f", &t) #define sclf(t) scanf("%lf", &t) #define forr(i, j, k) for (int i = j; i < k; i++) #define frange(i, j) forr(i, 0, j) #define all(cont) cont.begin(), cont.end() #define mp make_pair #define pb push_back #define f first #define s second typedef long int li; typedef unsigned long int uli; typedef long long int lli; typedef unsigned long long int ulli; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<bool> vb; typedef vector<lli> vll; typedef vector<string> vs; typedef vector<pii> vii; typedef vector<vi> vvi; typedef map<int, int> mpii; typedef set<int> seti; typedef multiset<int> mseti; typedef long double ld; vi find_subset(int l, int u, vi w) { int n = w.size(); sort(all(w)); vi out = {}; int id = 0; int v = 0; while (id < n && v <= l) { v += w[id]; out.pb(id); id++; } if (v < l) { out = {}; return out; } else { if (v <= u) { return out; } id--; v -= w[id]; out.pop_back(); int k = 0; for (int i = n - 1; i >= id; i--) { if (v >= l) break; if (k >= out.size()) break; v += w[i] - w[k]; out[k] = i; k++; } if (v >= l) { return out; } else { out = {}; return out; } } } int main() { vi vec = {10, 10, 10}; vi out = find_subset(10, 20, vec); for (auto e : out) cout << e << " "; }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'vi find_subset(int, int, vi)':
molecules.cpp:68:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |             if (k >= out.size())
      |                 ~~^~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccI5FUg3.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccVY8q6Z.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status