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Submission #964387

# Submission time Handle Problem Language Result Execution time Memory
964387 2024-04-16T18:28:44 Z KasymK Knapsack (NOI18_knapsack) C++17
49 / 100
 255 ms 262144 KB 
#include "bits/stdc++.h"
using namespace std;

int main(){
    int S, n;
    scanf("%d%d", &S, &n);
    if(n == 1){
        int v, w, k;
        scanf("%d%d%d", &v, &w, &k);
        int mn = min(S/w, k);
        printf("%lld\n", mn*1LL*v);
        return 0;
    }
    vector<int> baha, agram;
    while(n--){
        int v, w, k;
        scanf("%d%d%d", &v, &w, &k);
        while(k--){
            baha.push_back(v);
            agram.push_back(w);
        }
    }

    vector<long long> dp(S + 1);
    for(int i = 0; i < baha.size(); ++i){
        int v = baha[i], w = agram[i];
        for(int j = S - w; j >= 0; --j)
            dp[j + w] = max(dp[j + w], dp[j] + v);
    }

    long long ans = *max_element(dp.begin(), dp.end());

    printf("%lld\n", ans);

    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0; i < baha.size(); ++i){
      |                    ~~^~~~~~~~~~~~~
knapsack.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d%d", &S, &n);
      |     ~~~~~^~~~~~~~~~~~~~~~
knapsack.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |         scanf("%d%d%d", &v, &w, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%d%d%d", &v, &w, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 352 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 352 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 436 KB Output is correct
14 Correct 0 ms 612 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 352 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 504 KB Output is correct
12 Correct 0 ms 432 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 352 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 436 KB Output is correct
18 Correct 0 ms 612 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 436 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 145 ms 1492 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Runtime error 255 ms 262144 KB Execution killed with signal 9
30 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 352 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 504 KB Output is correct
12 Correct 0 ms 432 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 352 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 436 KB Output is correct
18 Correct 0 ms 612 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 436 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 145 ms 1492 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Runtime error 255 ms 262144 KB Execution killed with signal 9
30 Halted 0 ms 0 KB -