oj.uz

Submission #202283

# Submission time Handle Problem Language Result Execution time Memory
202283 2020-02-15T05:31:47 Z errorgorn Kitchen (BOI19_kitchen) C++14
100 / 100
 47 ms 764 KB 
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int n,m,k;
int food[305];
int chef[305];
int memo[90005];
int main(){
    //freopen("input.txt","r",stdin);
    scanf("%d%d%d",&n,&m,&k);
    if (m<k){
        printf("Impossible\n");
        return 0;
    }
    for (int x=0;x<n;x++){
        scanf("%d",&food[x]);
        if (food[x]<k){
            printf("Impossible\n");
            return 0;
        }
    }
    for (int x=0;x<m;x++){
        scanf("%d",&chef[x]);
    }
    memset(memo,-1,sizeof(memo));
    int total=0; //total hours to cook
    for (int x=0;x<n;x++) total+=food[x];
    memo[0]=0;
    for (int x=0;x<m;x++){
        for (int y=90005-chef[x];y>=0;y--){
            if (memo[y]!=-1) memo[y+chef[x]]=max(memo[y+chef[x]],memo[y]+min(n,chef[x]));
        }
    }
    int req=n*k;
    for (int x=total;x<90005;x++){
        if (memo[x]>=req){
            printf("%d\n",x-total);
            return 0;
        }
    }
    printf("Impossible");
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:11:10: 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:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&food[x]);
         ~~~~~^~~~~~~~~~~~~~~
kitchen.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&chef[x]);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 632 KB Output is correct
2 Correct 5 ms 632 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 636 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 632 KB Output is correct
2 Correct 5 ms 632 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 636 KB Output is correct
9 Correct 6 ms 632 KB Output is correct
10 Correct 7 ms 632 KB Output is correct
11 Correct 7 ms 636 KB Output is correct
12 Correct 6 ms 636 KB Output is correct
13 Correct 7 ms 632 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 764 KB Output is correct
2 Correct 36 ms 632 KB Output is correct
3 Correct 40 ms 632 KB Output is correct
4 Correct 44 ms 632 KB Output is correct
5 Correct 42 ms 632 KB Output is correct
6 Correct 30 ms 632 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 632 KB Output is correct
2 Correct 10 ms 632 KB Output is correct
3 Correct 11 ms 632 KB Output is correct
4 Correct 9 ms 632 KB Output is correct
5 Correct 4 ms 256 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 632 KB Output is correct
2 Correct 5 ms 632 KB Output is correct
3 Correct 5 ms 632 KB Output is correct
4 Correct 5 ms 632 KB Output is correct
5 Correct 5 ms 632 KB Output is correct
6 Correct 5 ms 248 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 636 KB Output is correct
9 Correct 6 ms 632 KB Output is correct
10 Correct 7 ms 632 KB Output is correct
11 Correct 7 ms 636 KB Output is correct
12 Correct 6 ms 636 KB Output is correct
13 Correct 7 ms 632 KB Output is correct
14 Correct 40 ms 764 KB Output is correct
15 Correct 36 ms 632 KB Output is correct
16 Correct 40 ms 632 KB Output is correct
17 Correct 44 ms 632 KB Output is correct
18 Correct 42 ms 632 KB Output is correct
19 Correct 30 ms 632 KB Output is correct
20 Correct 9 ms 632 KB Output is correct
21 Correct 10 ms 632 KB Output is correct
22 Correct 11 ms 632 KB Output is correct
23 Correct 9 ms 632 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 28 ms 632 KB Output is correct
26 Correct 36 ms 632 KB Output is correct
27 Correct 27 ms 632 KB Output is correct
28 Correct 47 ms 632 KB Output is correct
29 Correct 36 ms 632 KB Output is correct
30 Correct 42 ms 632 KB Output is correct