oj.uz

Submission #1070854

# Submission time Handle Problem Language Result Execution time Memory
1070854 2024-08-22T19:44:44 Z AdamGS Uplifting Excursion (BOI22_vault) C++17
20 / 100
 2458 ms 26168 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 int 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:48:19: 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:54:16: 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 62 ms 19252 KB Output is correct
3 Correct 24 ms 19032 KB Output is correct
4 Correct 205 ms 19036 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 1130 ms 19728 KB Output is correct
7 Correct 1111 ms 19400 KB Output is correct
8 Correct 1138 ms 19476 KB Output is correct
9 Correct 1142 ms 19588 KB Output is correct
10 Correct 870 ms 19264 KB Output is correct
11 Correct 848 ms 19280 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 62 ms 19252 KB Output is correct
3 Correct 24 ms 19032 KB Output is correct
4 Correct 205 ms 19036 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 1130 ms 19728 KB Output is correct
7 Correct 1111 ms 19400 KB Output is correct
8 Correct 1138 ms 19476 KB Output is correct
9 Correct 1142 ms 19588 KB Output is correct
10 Correct 870 ms 19264 KB Output is correct
11 Correct 848 ms 19280 KB Output is correct
12 Correct 47 ms 19036 KB Output is correct
13 Correct 60 ms 19036 KB Output is correct
14 Correct 22 ms 19036 KB Output is correct
15 Correct 201 ms 19280 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1149 ms 19488 KB Output is correct
18 Correct 1121 ms 19536 KB Output is correct
19 Correct 1130 ms 19488 KB Output is correct
20 Correct 1137 ms 19704 KB Output is correct
21 Correct 852 ms 19036 KB Output is correct
22 Correct 886 ms 19032 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2431 ms 20952 KB Output is correct
25 Correct 2379 ms 19936 KB Output is correct
26 Correct 2458 ms 22200 KB Output is correct
27 Correct 2450 ms 22280 KB Output is correct
28 Correct 1697 ms 19280 KB Output is correct
29 Correct 1728 ms 19284 KB Output is correct

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 210 ms 19032 KB Output is correct
2 Correct 643 ms 23120 KB Output is correct
3 Incorrect 565 ms 26168 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 210 ms 19032 KB Output is correct
2 Correct 643 ms 23120 KB Output is correct
3 Incorrect 565 ms 26168 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 210 ms 19032 KB Output is correct
2 Correct 643 ms 23120 KB Output is correct
3 Incorrect 565 ms 26168 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 62 ms 19252 KB Output is correct
3 Correct 24 ms 19032 KB Output is correct
4 Correct 205 ms 19036 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 1130 ms 19728 KB Output is correct
7 Correct 1111 ms 19400 KB Output is correct
8 Correct 1138 ms 19476 KB Output is correct
9 Correct 1142 ms 19588 KB Output is correct
10 Correct 870 ms 19264 KB Output is correct
11 Correct 848 ms 19280 KB Output is correct
12 Correct 210 ms 19032 KB Output is correct
13 Correct 643 ms 23120 KB Output is correct
14 Incorrect 565 ms 26168 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 210 ms 19032 KB Output is correct
2 Correct 643 ms 23120 KB Output is correct
3 Incorrect 565 ms 26168 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 62 ms 19252 KB Output is correct
3 Correct 24 ms 19032 KB Output is correct
4 Correct 205 ms 19036 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 1130 ms 19728 KB Output is correct
7 Correct 1111 ms 19400 KB Output is correct
8 Correct 1138 ms 19476 KB Output is correct
9 Correct 1142 ms 19588 KB Output is correct
10 Correct 870 ms 19264 KB Output is correct
11 Correct 848 ms 19280 KB Output is correct
12 Correct 47 ms 19036 KB Output is correct
13 Correct 60 ms 19036 KB Output is correct
14 Correct 22 ms 19036 KB Output is correct
15 Correct 201 ms 19280 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1149 ms 19488 KB Output is correct
18 Correct 1121 ms 19536 KB Output is correct
19 Correct 1130 ms 19488 KB Output is correct
20 Correct 1137 ms 19704 KB Output is correct
21 Correct 852 ms 19036 KB Output is correct
22 Correct 886 ms 19032 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2431 ms 20952 KB Output is correct
25 Correct 2379 ms 19936 KB Output is correct
26 Correct 2458 ms 22200 KB Output is correct
27 Correct 2450 ms 22280 KB Output is correct
28 Correct 1697 ms 19280 KB Output is correct
29 Correct 1728 ms 19284 KB Output is correct
30 Correct 210 ms 19032 KB Output is correct
31 Correct 643 ms 23120 KB Output is correct
32 Incorrect 565 ms 26168 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 210 ms 19032 KB Output is correct
2 Correct 643 ms 23120 KB Output is correct
3 Incorrect 565 ms 26168 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 62 ms 19252 KB Output is correct
3 Correct 24 ms 19032 KB Output is correct
4 Correct 205 ms 19036 KB Output is correct
5 Correct 2 ms 10840 KB Output is correct
6 Correct 1130 ms 19728 KB Output is correct
7 Correct 1111 ms 19400 KB Output is correct
8 Correct 1138 ms 19476 KB Output is correct
9 Correct 1142 ms 19588 KB Output is correct
10 Correct 870 ms 19264 KB Output is correct
11 Correct 848 ms 19280 KB Output is correct
12 Correct 47 ms 19036 KB Output is correct
13 Correct 60 ms 19036 KB Output is correct
14 Correct 22 ms 19036 KB Output is correct
15 Correct 201 ms 19280 KB Output is correct
16 Correct 2 ms 10844 KB Output is correct
17 Correct 1149 ms 19488 KB Output is correct
18 Correct 1121 ms 19536 KB Output is correct
19 Correct 1130 ms 19488 KB Output is correct
20 Correct 1137 ms 19704 KB Output is correct
21 Correct 852 ms 19036 KB Output is correct
22 Correct 886 ms 19032 KB Output is correct
23 Correct 2 ms 10844 KB Output is correct
24 Correct 2431 ms 20952 KB Output is correct
25 Correct 2379 ms 19936 KB Output is correct
26 Correct 2458 ms 22200 KB Output is correct
27 Correct 2450 ms 22280 KB Output is correct
28 Correct 1697 ms 19280 KB Output is correct
29 Correct 1728 ms 19284 KB Output is correct
30 Correct 210 ms 19032 KB Output is correct
31 Correct 643 ms 23120 KB Output is correct
32 Incorrect 565 ms 26168 KB Output isn't correct
33 Halted 0 ms 0 KB -