Submission #601407

#	Time	Username	Problem	Language	Result	Execution time	Memory
601407		codergirl	Knapsack (NOI18_knapsack)	C++14	Compilation error	0 ms	0 KiB

knapsack

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

const int maxn=100005;
int c[maxn],value[maxn],num[maxn], dp[maxn];
int V;

void ZeroOnePack (int cost,int val){
    for(int i=V;i>=cost;i--) {
        dp[i]=max(dp[i],dp[i-cost] + val);
    }
    return ;
}

int main() {
    int n;
    cin>>V>>n; // knapsack size V, n kinds of items
    for(int i=1;j<=n;j++) {
        cin>>value[i]>>c[i]>>num[i]; // weight, value, quantity
    }
    for(int i=1;i<=n;i++) {
        int k=1;
        while(k<num[i]){
            ZeroOnePack(k * c[i], k * value[i]);
            num[i]-=k;
            k*=2;
        }
        ZeroOnePack(num[i]*c[i],num[i]*value[i]);
    }
    cout<<dp[V]<<'\n';
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:18:17: error: 'j' was not declared in this scope
   18 |     for(int i=1;j<=n;j++) {
      |                 ^