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Submission #466991

# Submission time Handle Problem Language Result Execution time Memory
466991 2021-08-21T07:34:52 Z AMO5 Discharging (NOI20_discharging) C++17
0 / 100
 1000 ms 15956 KB 
#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define ld long double
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
#define dbg if(0)
#define BUG(x) dbg cerr << (#x) << " is " << (x) << endl

const int mxn = (int)1e6+5;
const int64_t inf = 5e18;
//subtask 2

void solve(){
	int n; cin>>n;
	vector<int64_t>a(n); 
	for(auto &x:a)
	{
		cin>>x;
	}
	vector<int64_t>dp(n);
	for(int i=0; i<n; i++){
		dp[i] = inf;
		for(int j=i; j>=0; j--){
			int len = n-j;
			int64_t curr = (int64_t)1*len*(a[i]) + (j>0?dp[j]:(int64_t)0);
			dbg cerr<<i<<" "<<j<<" "<<curr<<"\n";
			dp[i]=min(dp[i],curr);
		}
	}
	cout<<dp.back()<<"\n";
}

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	// int t=1; cin>>t; while(t--)
	solve();
	return 0;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1093 ms 15956 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -