Submission #1020962

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020962		urejgi	Knapsack (NOI18_knapsack)	C++17	73 / 100	1077 ms	16096 KiB

knapsack

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

signed main(){
    int s, n;
    scanf("%lld %lld", &s, &n);
    vector<int> value, weight;
    int v, w, k;
    for (int i = 0; i < n; ++i) {
        scanf("%lld %lld %lld", &v, &w, &k);
        int count = 1;
        while (k > 0) {
            int currentCount = min(count, k);
            value.push_back(currentCount * v);
            weight.push_back(currentCount * w);
            k -= currentCount;
            count <<= 1;
        }
    }
    int totalItems = value.size();
    vector<int> dp(s + 1, 0);
    for (int i = 0; i < totalItems; ++i) {
        for (int j = s; j >= weight[i]; --j) {
            dp[j] = max(dp[j], dp[j - weight[i]] + value[i]);
        }
    }
    printf("%lld\n", dp[s]);
    return 0;
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%lld %lld", &s, &n);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%lld %lld %lld", &v, &w, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 0 / 27