oj.uz

Submission #967839

# Submission time Handle Problem Language Result Execution time Memory
967839 2024-04-23T01:47:13 Z josanneo22 Security Guard (JOI23_guard) C++17
0 / 100
 50 ms 12884 KB 
#include<bits/stdc++.h>
using namespace std;
using i64 = long long;

const int nax = 200005;
int N, M, Q;
i64 S[nax]; 
vector<int> G[nax];
namespace subtask1 {
	i64 solve() {
		i64 ans = 0;
		for (int i = 2; i <= N; i++) ans += max(S[i], S[i - 1]);
		for (int i = 1; i < N; i++) ans -= max(0LL, S[i] - S[i + 1]);
		return ans;
	}
};

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr); cout.tie(nullptr);

	cin >> N >> M >> Q;
	for (int i = 1; i <= N; i++) cin >> S[i];
	for (int i = 0; i < M; i++) {
		int u, v; cin >> u >> v;
		G[u].push_back(v);
		G[v].push_back(u);
	}
	i64 ans = subtask1::solve();
	reverse(S + 1, S + 1 + N);
	ans = max(ans, subtask1::solve());
	cout << ans << '\n';
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 47 ms 12744 KB Output is correct
3 Correct 46 ms 12828 KB Output is correct
4 Incorrect 50 ms 12884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 47 ms 12744 KB Output is correct
3 Correct 46 ms 12828 KB Output is correct
4 Incorrect 50 ms 12884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 47 ms 12744 KB Output is correct
3 Correct 46 ms 12828 KB Output is correct
4 Incorrect 50 ms 12884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 47 ms 12744 KB Output is correct
3 Correct 46 ms 12828 KB Output is correct
4 Incorrect 50 ms 12884 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4952 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4952 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4956 KB Output is correct
2 Correct 47 ms 12744 KB Output is correct
3 Correct 46 ms 12828 KB Output is correct
4 Incorrect 50 ms 12884 KB Output isn't correct
5 Halted 0 ms 0 KB -