제출 #1259003

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1259003		training	Knapsack (NOI18_knapsack)	C++20	컴파일 에러	0 ms	0 KiB

knapsack

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

#ifdef LOCAL
#include "/Library/debug/debug.h"
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define MAX     2e9
#define MIN     -2e9
#define PI     acos(-1.0)
#define mid(s, e)   ((s) + ((e) - (s)) / 2)
#define clz(n)       __builtin_clzll(n)
#define nbOfBits(n)     __builtin_popcountll(n)
#define all(x)      (x).begin(), (x).end()
#define endl         '\n'
#define pb       push_back
#define sz(a)       static_cast<int>((a).size())
#define int     long long
#define double       long double
#define fi   first
#define fill(n,arr) for(int i=1;i<=n;i++){ll x;cin>>x;arr.pb(x);}
#define se   second
#define getunique(v)    {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define getorder(v)     sort(all(v))
#define getlower(s)     transform(s.begin(), s.end(), s.begin(), ::tolower)
#define getupper(s)     transform(s.begin(), s.end(), s.begin(), ::toupper)
#define getmax(ans)     *max_element(all(ans));
#define getmin(ans)     *min_element(all(ans));

using ll = long long;
using vi = vector<int>;
using vc = vector<char>;
using vvc = vector<vc>;
using vvi = vector<vi>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vd = vector<double>;
using vvd = vector<vd>;
using vs = vector<string>;
using pii = pair<int, int>;
using pdd = pair<double, double>;
using vpii = vector<pii>;
using vpdd = vector<pdd>;
using si = set<int>;
using ssi = set<si>;
using sb = set<bool>;
using ssb = set<sb>;
using sd = set<double>;
using ssd = set<sd>;
using ss = set<string>;
using sc = set<char>;

// BEFORE coding are you sure you understood the statement correctly?
// PLEASE do not forget to read the sample explanation carefully.
// WATCH out for overflows & RTs in general.
// TEST your idea or code on the corner cases.
// ANALYZE each idea you have thoroughly.

const int dx[8]={0, 0, 1, -1, 1, -1, -1, 1};
const int dy[8]={1, -1, 0, 0, 1, -1, 1, -1};
int calculateLCM(int a, int b){return (a * b) / __gcd(a, b);}

const int MX = 102;
bool isPrime[MX];

void solve() {
    int s,n;cin>>s>>n;
    int a,b,c;cin>>a>>b>>c;
    int ans = 0;
    while(sum <= a && c > 0){
        sum += b;
        ans++;
    }
    cout<<ans<<endl;
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    // int t; cin >> t; while (t--)
    solve();
}

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'void solve()':
knapsack.cpp:73:11: error: 'sum' was not declared in this scope
   73 |     while(sum <= a && c > 0){
      |           ^~~