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Submission #484007

# Submission time Handle Problem Language Result Execution time Memory
484007 2021-11-01T19:51:43 Z T0p_ Knapsack (NOI18_knapsack) C++14
12 / 100
 0 ms 204 KB 
#include <bits/stdc++.h>
using namespace std;

long long dp[2][2005];

int main()
{
    int s, n;
    scanf(" %d %d",&s,&n);
    for(int i=1 ; i<=n ; i++)
    {
        int w, k;
        long long v;
        scanf(" %lld %d %d",&v,&w,&k);
        for(int j=1 ; j<=s ; j++)
        {
            dp[i%2][j] = dp[i%2][j-1];
            for(long long t=1 ; t<=k && j-w*t>=0 ; t++) dp[i%2][j] = max(dp[i%2][j], dp[(i-1)%2][j-w*t] + v*t);
        }
    }
    printf("%lld\n",dp[n%2][s]);
    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf(" %d %d",&s,&n);
      |     ~~~~~^~~~~~~~~~~~~~~~
knapsack.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf(" %lld %d %d",&v,&w,&k);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Incorrect 0 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Incorrect 0 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -