oj.uz

Submission #1070856

# Submission time Handle Problem Language Result Execution time Memory
1070856 2024-08-22T19:48:07 Z AdamGS Uplifting Excursion (BOI22_vault) C++17
20 / 100
 2361 ms 26288 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e18+7;
const ll LIM=1e6+7;
ll dp[LIM], dp2[LIM], A[LIM], B[LIM];
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	ll n, m;
	cin >> n >> m;
	rep(i, n) cin >> A[n-i];
	rep(i, n+1) cin >> B[i];
	ll ans=0;
	rep(i, n+1) ans+=B[i];
	rep(i, n+1) ans+=A[i];
	rep(i, n+1) m+=A[i]*(ll)i;
	rep(i, n+1) m-=B[i]*(ll)i;
	if(m<0) {
		m*=-1;
		rep(i, n+1) swap(A[i], B[i]);
	}
	rep(i, LIM) dp[i]=INF;
	dp[0]=0;
	for(ll i=n; i; --i) {
		if(m>=LIM/2) {
			ll p=m-LIM/2;
			p=(p+i-1)/i;
			p=min(p, A[i]);
			A[i]-=p;
			dp[0]+=p;
			m-=p*i;	
		}
	}
	if(m>=LIM) {
		cout << "impossible\n";
		return 0;
	}
	rep(xd, 2) {
		for(ll i=1; i<=n; ++i) {
			vector<ll>V[i], l(i);
			rep(j, LIM) {
				ll p=j%i;
				while(l[p]<V[p].size() && (j-V[p][l[p]])/i>A[i]) ++l[p];
				while(V[p].size()>0 && dp[j]<=dp[V[p].back()]+(j-V[p].back())/i) {
					V[p].pop_back();
					l[p]=min(l[p], (ll)V[p].size());
				}
				dp2[j]=dp[j];
				if(l[p]<V[p].size()) {
					dp2[j]=min(dp2[j], dp[V[p][l[p]]]+(j-V[p][l[p]])/i);
				}
				V[p].pb(j);
			}
			rep(j, LIM) dp[j]=dp2[j];
		}
		rep(i, LIM/2) swap(dp[i], dp[LIM-i]);
		rep(i, n) swap(A[i], B[i]);
	}
	if(dp[m]==INF) {
		cout << "impossible\n";
		return 0;
	}
	cout << ans-dp[m] << '\n';
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:48:15: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     while(l[p]<V[p].size() && (j-V[p][l[p]])/i>A[i]) ++l[p];
vault.cpp:54:12: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     if(l[p]<V[p].size()) {

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19036 KB Output is correct
2 Correct 63 ms 19252 KB Output is correct
3 Correct 24 ms 19036 KB Output is correct
4 Correct 202 ms 19036 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 1157 ms 19492 KB Output is correct
7 Correct 1125 ms 19404 KB Output is correct
8 Correct 1173 ms 19516 KB Output is correct
9 Correct 1157 ms 19712 KB Output is correct
10 Correct 862 ms 19280 KB Output is correct
11 Correct 879 ms 19508 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19036 KB Output is correct
2 Correct 63 ms 19252 KB Output is correct
3 Correct 24 ms 19036 KB Output is correct
4 Correct 202 ms 19036 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 1157 ms 19492 KB Output is correct
7 Correct 1125 ms 19404 KB Output is correct
8 Correct 1173 ms 19516 KB Output is correct
9 Correct 1157 ms 19712 KB Output is correct
10 Correct 862 ms 19280 KB Output is correct
11 Correct 879 ms 19508 KB Output is correct
12 Correct 45 ms 19032 KB Output is correct
13 Correct 65 ms 19248 KB Output is correct
14 Correct 24 ms 19036 KB Output is correct
15 Correct 203 ms 19268 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1172 ms 19484 KB Output is correct
18 Correct 1131 ms 19520 KB Output is correct
19 Correct 1142 ms 19484 KB Output is correct
20 Correct 1171 ms 19716 KB Output is correct
21 Correct 868 ms 19264 KB Output is correct
22 Correct 859 ms 19280 KB Output is correct
23 Correct 2 ms 10840 KB Output is correct
24 Correct 2345 ms 20960 KB Output is correct
25 Correct 2264 ms 19708 KB Output is correct
26 Correct 2361 ms 22244 KB Output is correct
27 Correct 2352 ms 22520 KB Output is correct
28 Correct 1677 ms 19252 KB Output is correct
29 Correct 1690 ms 19288 KB Output is correct

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 19036 KB Output is correct
2 Correct 649 ms 23124 KB Output is correct
3 Incorrect 598 ms 26288 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 19036 KB Output is correct
2 Correct 649 ms 23124 KB Output is correct
3 Incorrect 598 ms 26288 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 19036 KB Output is correct
2 Correct 649 ms 23124 KB Output is correct
3 Incorrect 598 ms 26288 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19036 KB Output is correct
2 Correct 63 ms 19252 KB Output is correct
3 Correct 24 ms 19036 KB Output is correct
4 Correct 202 ms 19036 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 1157 ms 19492 KB Output is correct
7 Correct 1125 ms 19404 KB Output is correct
8 Correct 1173 ms 19516 KB Output is correct
9 Correct 1157 ms 19712 KB Output is correct
10 Correct 862 ms 19280 KB Output is correct
11 Correct 879 ms 19508 KB Output is correct
12 Correct 217 ms 19036 KB Output is correct
13 Correct 649 ms 23124 KB Output is correct
14 Incorrect 598 ms 26288 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 19036 KB Output is correct
2 Correct 649 ms 23124 KB Output is correct
3 Incorrect 598 ms 26288 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19036 KB Output is correct
2 Correct 63 ms 19252 KB Output is correct
3 Correct 24 ms 19036 KB Output is correct
4 Correct 202 ms 19036 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 1157 ms 19492 KB Output is correct
7 Correct 1125 ms 19404 KB Output is correct
8 Correct 1173 ms 19516 KB Output is correct
9 Correct 1157 ms 19712 KB Output is correct
10 Correct 862 ms 19280 KB Output is correct
11 Correct 879 ms 19508 KB Output is correct
12 Correct 45 ms 19032 KB Output is correct
13 Correct 65 ms 19248 KB Output is correct
14 Correct 24 ms 19036 KB Output is correct
15 Correct 203 ms 19268 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1172 ms 19484 KB Output is correct
18 Correct 1131 ms 19520 KB Output is correct
19 Correct 1142 ms 19484 KB Output is correct
20 Correct 1171 ms 19716 KB Output is correct
21 Correct 868 ms 19264 KB Output is correct
22 Correct 859 ms 19280 KB Output is correct
23 Correct 2 ms 10840 KB Output is correct
24 Correct 2345 ms 20960 KB Output is correct
25 Correct 2264 ms 19708 KB Output is correct
26 Correct 2361 ms 22244 KB Output is correct
27 Correct 2352 ms 22520 KB Output is correct
28 Correct 1677 ms 19252 KB Output is correct
29 Correct 1690 ms 19288 KB Output is correct
30 Correct 217 ms 19036 KB Output is correct
31 Correct 649 ms 23124 KB Output is correct
32 Incorrect 598 ms 26288 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 217 ms 19036 KB Output is correct
2 Correct 649 ms 23124 KB Output is correct
3 Incorrect 598 ms 26288 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19036 KB Output is correct
2 Correct 63 ms 19252 KB Output is correct
3 Correct 24 ms 19036 KB Output is correct
4 Correct 202 ms 19036 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 1157 ms 19492 KB Output is correct
7 Correct 1125 ms 19404 KB Output is correct
8 Correct 1173 ms 19516 KB Output is correct
9 Correct 1157 ms 19712 KB Output is correct
10 Correct 862 ms 19280 KB Output is correct
11 Correct 879 ms 19508 KB Output is correct
12 Correct 45 ms 19032 KB Output is correct
13 Correct 65 ms 19248 KB Output is correct
14 Correct 24 ms 19036 KB Output is correct
15 Correct 203 ms 19268 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1172 ms 19484 KB Output is correct
18 Correct 1131 ms 19520 KB Output is correct
19 Correct 1142 ms 19484 KB Output is correct
20 Correct 1171 ms 19716 KB Output is correct
21 Correct 868 ms 19264 KB Output is correct
22 Correct 859 ms 19280 KB Output is correct
23 Correct 2 ms 10840 KB Output is correct
24 Correct 2345 ms 20960 KB Output is correct
25 Correct 2264 ms 19708 KB Output is correct
26 Correct 2361 ms 22244 KB Output is correct
27 Correct 2352 ms 22520 KB Output is correct
28 Correct 1677 ms 19252 KB Output is correct
29 Correct 1690 ms 19288 KB Output is correct
30 Correct 217 ms 19036 KB Output is correct
31 Correct 649 ms 23124 KB Output is correct
32 Incorrect 598 ms 26288 KB Output isn't correct
33 Halted 0 ms 0 KB -