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Submission #943923

# Submission time Handle Problem Language Result Execution time Memory
943923 2024-03-12T04:37:55 Z penguin133 Potatoes and fertilizers (LMIO19_bulves) C++17
100 / 100
 116 ms 21280 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int dp[2][30005];
int n, A[500005], B[500005];

void solve(){
	cin >> n;
	for(int i = 1; i <= n; i++)cin >> A[i] >> B[i], A[i] -= B[i], A[i] += A[i - 1];
	/*
	for(int i = 1; i <= n; i++){
		for(int j = 0; j <= 30000; j++){
			if(j)dp[i & 1][j] = min(dp[i & 1][j - 1], dp[(i - 1) & 1][j] + abs(A[i] - j));
			else dp[i & 1][j] = dp[(i - 1) & 1][j] + abs(A[i] - j);
		}
	}
	*/
	int ans = 0;
	priority_queue <int> pq;
	for(int i = 1; i <= n; i++){
		
		pq.push(A[i]); pq.push(A[i]);
		ans += abs(max(0ll, min(A[n], pq.top())) - A[i]);
		pq.pop();
	}
	//while(!pq.empty() && pq.top() > A[n])ans -= (pq.top() - A[n]), pq.pop();
	cout << ans;
	//cout << dp[n & 1][A[n]];
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

bulves.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main(){
      | ^~~~

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 11 ms 7392 KB Output is correct
5 Correct 20 ms 8412 KB Output is correct
6 Correct 58 ms 12156 KB Output is correct
7 Correct 113 ms 21280 KB Output is correct
8 Correct 98 ms 17728 KB Output is correct
9 Correct 116 ms 16584 KB Output is correct
10 Correct 69 ms 14536 KB Output is correct
11 Correct 73 ms 15564 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 11 ms 7392 KB Output is correct
5 Correct 20 ms 8412 KB Output is correct
6 Correct 58 ms 12156 KB Output is correct
7 Correct 113 ms 21280 KB Output is correct
8 Correct 98 ms 17728 KB Output is correct
9 Correct 116 ms 16584 KB Output is correct
10 Correct 69 ms 14536 KB Output is correct
11 Correct 73 ms 15564 KB Output is correct
12 Correct 32 ms 9680 KB Output is correct
13 Correct 83 ms 15308 KB Output is correct
14 Correct 112 ms 20932 KB Output is correct
15 Correct 94 ms 19196 KB Output is correct
16 Correct 103 ms 18560 KB Output is correct
17 Correct 65 ms 15820 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2648 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 11 ms 7392 KB Output is correct
12 Correct 20 ms 8412 KB Output is correct
13 Correct 58 ms 12156 KB Output is correct
14 Correct 113 ms 21280 KB Output is correct
15 Correct 98 ms 17728 KB Output is correct
16 Correct 116 ms 16584 KB Output is correct
17 Correct 69 ms 14536 KB Output is correct
18 Correct 73 ms 15564 KB Output is correct
19 Correct 32 ms 9680 KB Output is correct
20 Correct 83 ms 15308 KB Output is correct
21 Correct 112 ms 20932 KB Output is correct
22 Correct 94 ms 19196 KB Output is correct
23 Correct 103 ms 18560 KB Output is correct
24 Correct 65 ms 15820 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2392 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 28 ms 9436 KB Output is correct
34 Correct 67 ms 15612 KB Output is correct
35 Correct 115 ms 20324 KB Output is correct
36 Correct 103 ms 17904 KB Output is correct
37 Correct 101 ms 17444 KB Output is correct
38 Correct 109 ms 20504 KB Output is correct
39 Correct 70 ms 15484 KB Output is correct
40 Correct 81 ms 15560 KB Output is correct
41 Correct 82 ms 16516 KB Output is correct
42 Correct 74 ms 15048 KB Output is correct
43 Correct 80 ms 15048 KB Output is correct
44 Correct 71 ms 15584 KB Output is correct
45 Correct 114 ms 19656 KB Output is correct
46 Correct 92 ms 16680 KB Output is correct
47 Correct 83 ms 15464 KB Output is correct