oj.uz

Submission #580332

# Submission time Handle Problem Language Result Execution time Memory
580332 2022-06-21T05:45:46 Z 반딧불(#8355) Uplifting Excursion (BOI22_vault) C++17
5 / 100
 4949 ms 2732 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, k;
int arr[702];
int DP[2][130002];

int main(){
    scanf("%d %d", &n, &k);
    for(int i=0; i<=n+n; i++) scanf("%d", &arr[i]);
    if(k < -65000 || k > 65000){
        puts("impossible");
        return 0;
    }
    for(int i=0; i<=130000; i++) DP[0][i] = DP[1][i] = -1e9;
    DP[1][65000] = 0;
    vector<ll> vec;
    for(int i=0; i<=n+n; i++) for(int j=0; j<arr[i]; j++) vec.push_back(i-n);
    for(int i=0; i<(int)vec.size(); i++){
        int b = i%2;
        for(int j=0; j<=130000; j++) DP[b][j] = -1e9;
        for(int j=0; j<=130000; j++){
            if(DP[!b][j]<0) continue;
            DP[b][j] = max(DP[b][j], DP[!b][j]);
            DP[b][j+vec[i]] = max(DP[b][j+vec[i]], DP[!b][j]+1);
        }
    }
    int ans = DP[((int)vec.size()+1)%2][65000+k];
    if(ans<=0) printf("impossible");
    else printf("%d", ans);
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
vault.cpp:13:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     for(int i=0; i<=n+n; i++) scanf("%d", &arr[i]);
      |                               ~~~~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 10 ms 1236 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 642 ms 1364 KB Output is correct
7 Correct 227 ms 1328 KB Output is correct
8 Correct 585 ms 1364 KB Output is correct
9 Correct 1533 ms 1400 KB Output is correct
10 Correct 17 ms 1236 KB Output is correct
11 Correct 13 ms 1320 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 10 ms 1236 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 642 ms 1364 KB Output is correct
7 Correct 227 ms 1328 KB Output is correct
8 Correct 585 ms 1364 KB Output is correct
9 Correct 1533 ms 1400 KB Output is correct
10 Correct 17 ms 1236 KB Output is correct
11 Correct 13 ms 1320 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 2 ms 1236 KB Output is correct
14 Correct 3 ms 1236 KB Output is correct
15 Correct 10 ms 1320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 656 ms 1364 KB Output is correct
18 Correct 214 ms 1324 KB Output is correct
19 Correct 589 ms 1364 KB Output is correct
20 Correct 1581 ms 1408 KB Output is correct
21 Correct 18 ms 1236 KB Output is correct
22 Correct 13 ms 1236 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Runtime error 4949 ms 2732 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1236 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1236 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1236 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 10 ms 1236 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 642 ms 1364 KB Output is correct
7 Correct 227 ms 1328 KB Output is correct
8 Correct 585 ms 1364 KB Output is correct
9 Correct 1533 ms 1400 KB Output is correct
10 Correct 17 ms 1236 KB Output is correct
11 Correct 13 ms 1320 KB Output is correct
12 Correct 10 ms 1236 KB Output is correct
13 Incorrect 0 ms 212 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1236 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 10 ms 1236 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 642 ms 1364 KB Output is correct
7 Correct 227 ms 1328 KB Output is correct
8 Correct 585 ms 1364 KB Output is correct
9 Correct 1533 ms 1400 KB Output is correct
10 Correct 17 ms 1236 KB Output is correct
11 Correct 13 ms 1320 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 2 ms 1236 KB Output is correct
14 Correct 3 ms 1236 KB Output is correct
15 Correct 10 ms 1320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 656 ms 1364 KB Output is correct
18 Correct 214 ms 1324 KB Output is correct
19 Correct 589 ms 1364 KB Output is correct
20 Correct 1581 ms 1408 KB Output is correct
21 Correct 18 ms 1236 KB Output is correct
22 Correct 13 ms 1236 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Runtime error 4949 ms 2732 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1236 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1236 KB Output is correct
2 Correct 2 ms 1236 KB Output is correct
3 Correct 2 ms 1236 KB Output is correct
4 Correct 10 ms 1236 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 642 ms 1364 KB Output is correct
7 Correct 227 ms 1328 KB Output is correct
8 Correct 585 ms 1364 KB Output is correct
9 Correct 1533 ms 1400 KB Output is correct
10 Correct 17 ms 1236 KB Output is correct
11 Correct 13 ms 1320 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 2 ms 1236 KB Output is correct
14 Correct 3 ms 1236 KB Output is correct
15 Correct 10 ms 1320 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 656 ms 1364 KB Output is correct
18 Correct 214 ms 1324 KB Output is correct
19 Correct 589 ms 1364 KB Output is correct
20 Correct 1581 ms 1408 KB Output is correct
21 Correct 18 ms 1236 KB Output is correct
22 Correct 13 ms 1236 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Runtime error 4949 ms 2732 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -