oj.uz

Submission #809127

# Submission time Handle Problem Language Result Execution time Memory
809127 2023-08-05T18:03:23 Z urd05 Fun Palace (CCO18_fun) C++17
25 / 25
 62 ms 82772 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int e;
int a[1000];
int b[1000];
int dp[1000][50001]; //정확히.
const int MAX=20000;

int main() {
    scanf("%d\n%d\n",&n,&e);
    for(int i=0;i<n-1;i++) {
        scanf("%d %d",&a[i],&b[i]);
    }
    for(int i=0;i<=MAX;i++) {
        dp[n-1][i]=i;
    }
    for(int i=n-2;i>=0;i--) {
        int mx=0;
        for(int j=0;j<b[i];j++) {
            mx=max(mx,dp[i+1][j]);
        }
        for(int j=0;j<=MAX;j++) {
            if (j<a[i]) {
                dp[i][j]=max(mx+j,dp[i+1][b[i]+j]);
            }
            else if (j<a[i]+b[i]) {
                dp[i][j]=dp[i+1][j-a[i]]+a[i];
            }
            else {
                dp[i][j]=dp[i+1][j];
            }
        }
    }
    int ret=0;
    for(int i=0;i<e;i++) {
        ret=max(ret,dp[0][i]);
    }
    printf("%d",ret);
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d\n%d\n",&n,&e);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
Main.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%d %d",&a[i],&b[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 596 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 54 ms 82732 KB Output is correct
8 Correct 62 ms 81216 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 596 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 12 ms 16764 KB Output is correct
15 Correct 12 ms 16212 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 0 ms 596 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 54 ms 82732 KB Output is correct
17 Correct 62 ms 81216 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 852 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 12 ms 16764 KB Output is correct
23 Correct 12 ms 16212 KB Output is correct
24 Correct 43 ms 82708 KB Output is correct
25 Correct 43 ms 81168 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 57 ms 82760 KB Output is correct
28 Correct 59 ms 82772 KB Output is correct
29 Correct 55 ms 80620 KB Output is correct
30 Correct 40 ms 57192 KB Output is correct