oj.uz

Submission #809108

# Submission time Handle Problem Language Result Execution time Memory
809108 2023-08-05T17:30:24 Z urd05 Fun Palace (CCO18_fun) C++17
3 / 25
 43 ms 78504 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int e;
int a[1000];
int b[1000];
int dp[1000][20001]; //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]) {
                mx=max(mx,dp[i+1][b[i]+j]-j);
                dp[i][j]=mx+j;
            }
            else if (j<a[i]+b[i]) {
                dp[i][j]=dp[i+1][j-a[i]]+a[i];
                                if (j>a[i])
                dp[i][j]=max(dp[i][j],dp[i][j-1]);
            }
            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 1 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 596 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Incorrect 43 ms 78504 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 596 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 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 Incorrect 11 ms 15884 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 596 KB Output is correct
6 Correct 0 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 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 1 ms 468 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Incorrect 43 ms 78504 KB Output isn't correct
17 Halted 0 ms 0 KB -