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Submission #588660

# Submission time Handle Problem Language Result Execution time Memory
588660 2022-07-03T19:32:47 Z peuch Uplifting Excursion (BOI22_vault) C++17
5 / 100
 5000 ms 14796 KB 
#include<bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
 
const long long MAXN = 101;
const long long MAXA = 101 * 100 * 101 - 1e5;
const long long INF = 1e18;
const long long HALF = MAXA / 2;
 
long long m;
long long l;
 
long long v[2 * MAXN];
long long dp[2][MAXA];
 
int main(){
	
	scanf("%lld %lld", &m, &l);
	long long sum = 0;
	long long cnt = 0;
	vector<pair<long long, long long> > moedas;
	for(long long i = -m; i <= m; i++){
		scanf("%lld", &v[i + m]);
		sum += v[i + m] * i;
		cnt += v[i + m];
		long long aux = v[i + m];
		long long tam = 1;
		while(aux > 0){
			moedas.push_back(make_pair(i * tam, tam));
			aux--;
			if(aux % 2 == 1){
				moedas.push_back(make_pair(i * tam, tam));
				aux--;
			}
			aux /= 2;
			tam *= 2;
		}
	}
	
	if(l + HALF >= MAXA || l + HALF < 0){
		printf("impossible\n");
		return 0;
	} 
	
	for(long long j = 0; j < MAXA; j++)
		dp[1][j] = INF;
	
	dp[1][HALF] = 0;
	
	for(auto val : moedas){
		swap(dp[0], dp[1]);
		for(long long j = max(0LL, val.first); j < min((long long)MAXA, MAXA - val.first); j++){
			dp[1][j] = dp[0][j];
			if(j - val.first < MAXA && j - val.first >= 0) dp[1][j] = min(dp[1][j], dp[0][j - val.first] + val.second);
		}
	}
	
	if(dp[1][sum - l + HALF] == INF) printf("impossible\n");
	else printf("%lld\n", cnt - dp[1][sum - l + HALF]);
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  scanf("%lld %lld", &m, &l);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~
vault.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |   scanf("%lld", &v[i + m]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 14700 KB Output is correct
2 Correct 38 ms 14676 KB Output is correct
3 Correct 24 ms 14676 KB Output is correct
4 Correct 154 ms 14676 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2659 ms 14712 KB Output is correct
7 Correct 1166 ms 14704 KB Output is correct
8 Correct 2654 ms 14708 KB Output is correct
9 Correct 3363 ms 14720 KB Output is correct
10 Correct 112 ms 14680 KB Output is correct
11 Correct 106 ms 14684 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 14700 KB Output is correct
2 Correct 38 ms 14676 KB Output is correct
3 Correct 24 ms 14676 KB Output is correct
4 Correct 154 ms 14676 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2659 ms 14712 KB Output is correct
7 Correct 1166 ms 14704 KB Output is correct
8 Correct 2654 ms 14708 KB Output is correct
9 Correct 3363 ms 14720 KB Output is correct
10 Correct 112 ms 14680 KB Output is correct
11 Correct 106 ms 14684 KB Output is correct
12 Correct 49 ms 14676 KB Output is correct
13 Correct 40 ms 14676 KB Output is correct
14 Correct 24 ms 14704 KB Output is correct
15 Correct 158 ms 14796 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2709 ms 14708 KB Output is correct
18 Correct 1183 ms 14700 KB Output is correct
19 Correct 2622 ms 14712 KB Output is correct
20 Correct 3445 ms 14716 KB Output is correct
21 Correct 93 ms 14676 KB Output is correct
22 Correct 101 ms 14680 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Execution timed out 5065 ms 14676 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 14676 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 159 ms 14676 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 159 ms 14676 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 47 ms 14700 KB Output is correct
2 Correct 38 ms 14676 KB Output is correct
3 Correct 24 ms 14676 KB Output is correct
4 Correct 154 ms 14676 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2659 ms 14712 KB Output is correct
7 Correct 1166 ms 14704 KB Output is correct
8 Correct 2654 ms 14708 KB Output is correct
9 Correct 3363 ms 14720 KB Output is correct
10 Correct 112 ms 14680 KB Output is correct
11 Correct 106 ms 14684 KB Output is correct
12 Correct 159 ms 14676 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 159 ms 14676 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 47 ms 14700 KB Output is correct
2 Correct 38 ms 14676 KB Output is correct
3 Correct 24 ms 14676 KB Output is correct
4 Correct 154 ms 14676 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2659 ms 14712 KB Output is correct
7 Correct 1166 ms 14704 KB Output is correct
8 Correct 2654 ms 14708 KB Output is correct
9 Correct 3363 ms 14720 KB Output is correct
10 Correct 112 ms 14680 KB Output is correct
11 Correct 106 ms 14684 KB Output is correct
12 Correct 49 ms 14676 KB Output is correct
13 Correct 40 ms 14676 KB Output is correct
14 Correct 24 ms 14704 KB Output is correct
15 Correct 158 ms 14796 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2709 ms 14708 KB Output is correct
18 Correct 1183 ms 14700 KB Output is correct
19 Correct 2622 ms 14712 KB Output is correct
20 Correct 3445 ms 14716 KB Output is correct
21 Correct 93 ms 14676 KB Output is correct
22 Correct 101 ms 14680 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Execution timed out 5065 ms 14676 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 14676 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 47 ms 14700 KB Output is correct
2 Correct 38 ms 14676 KB Output is correct
3 Correct 24 ms 14676 KB Output is correct
4 Correct 154 ms 14676 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2659 ms 14712 KB Output is correct
7 Correct 1166 ms 14704 KB Output is correct
8 Correct 2654 ms 14708 KB Output is correct
9 Correct 3363 ms 14720 KB Output is correct
10 Correct 112 ms 14680 KB Output is correct
11 Correct 106 ms 14684 KB Output is correct
12 Correct 49 ms 14676 KB Output is correct
13 Correct 40 ms 14676 KB Output is correct
14 Correct 24 ms 14704 KB Output is correct
15 Correct 158 ms 14796 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 2709 ms 14708 KB Output is correct
18 Correct 1183 ms 14700 KB Output is correct
19 Correct 2622 ms 14712 KB Output is correct
20 Correct 3445 ms 14716 KB Output is correct
21 Correct 93 ms 14676 KB Output is correct
22 Correct 101 ms 14680 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Execution timed out 5065 ms 14676 KB Time limit exceeded
25 Halted 0 ms 0 KB -