oj.uz

Submission #140826

# Submission time Handle Problem Language Result Execution time Memory
140826 2019-08-05T12:25:40 Z Shelby Kitchen (BOI19_kitchen) C++11
100 / 100
 42 ms 848 KB 
#include <bits/stdc++.h>
#define MAXN 305
using namespace std;

int dp[MAXN*MAXN],a[MAXN],b[MAXN],val[MAXN];
bool ok[MAXN*MAXN];

int main()
{ int i,j,n,m,k,sum=0,need=0,mn;
scanf("%d%d%d",&n,&m,&k);
for(i=0;i<n;i++)
{
    scanf("%d",&a[i]);

    if(i==0) mn=a[i];
    else mn=min(mn,a[i]);

    sum=sum+a[i];

    need+=k;
}

for(i=0;i<m;i++)
{
    scanf("%d",&b[i]);

    val[i]=min(b[i],n);
}

ok[0]=true;

for(i=0;i<m;i++)
{
    for(j=MAXN*MAXN-1;j>=b[i];j--)
    {
        if(ok[j-b[i]]==true)
        {
            ok[j]=true;

            dp[j]=max(dp[j], dp[j-b[i]]+val[i] );
        }
    }
}

if(mn<k) printf("Impossible\n");
else
{
    for(i=sum;i<MAXN*MAXN;i++)
    {
        if(ok[i]==true && dp[i]>=need)
        {
            printf("%d\n",i-sum);
            return 0;
        }
    }

    printf("Impossible\n");
}

//for(i=0;i<9;i++) cout << dp[i] << " ";

    return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:10:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d%d",&n,&m,&k);
 ~~~~~^~~~~~~~~~~~~~~~~~~
kitchen.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&a[i]);
     ~~~~~^~~~~~~~~~~~
kitchen.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&b[i]);
     ~~~~~^~~~~~~~~~~~
kitchen.cpp:45:1: warning: 'mn' may be used uninitialized in this function [-Wmaybe-uninitialized]
 if(mn<k) printf("Impossible\n");
 ^~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 252 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 252 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 636 KB Output is correct
2 Correct 24 ms 632 KB Output is correct
3 Correct 32 ms 504 KB Output is correct
4 Correct 38 ms 760 KB Output is correct
5 Correct 35 ms 760 KB Output is correct
6 Correct 23 ms 504 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 252 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 29 ms 636 KB Output is correct
15 Correct 24 ms 632 KB Output is correct
16 Correct 32 ms 504 KB Output is correct
17 Correct 38 ms 760 KB Output is correct
18 Correct 35 ms 760 KB Output is correct
19 Correct 23 ms 504 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 23 ms 848 KB Output is correct
26 Correct 28 ms 632 KB Output is correct
27 Correct 17 ms 504 KB Output is correct
28 Correct 27 ms 580 KB Output is correct
29 Correct 31 ms 632 KB Output is correct
30 Correct 42 ms 760 KB Output is correct