oj.uz

Submission #824596

# Submission time Handle Problem Language Result Execution time Memory
824596 2023-08-14T08:07:34 Z 이동현(#10361) Robogolf (ROI19_golf) C++17
20 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define int long long
using namespace std;

const int mod = 998244353;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n, m, k;

	// n = 1000, m = 1000, k = 300000;
	// mt19937 gen(2353);
	// uniform_int_distribution<int> uid(-100, 100);
	// vector<array<int, 3>> a(k);
	// for(int i = 0; i < k; ++i){
	// 	a[i] = {i * (n * m / k) / m, i * (n * m / k) % m, uid(gen)};
	// }

	cin >> n >> m >> k;
	vector<array<int, 3>> a(k);
	for(int i = 0; i < k; ++i){
		cin >> a[i][0] >> a[i][1] >> a[i][2];
		--a[i][0], --a[i][1];
	}

	sort(a.begin(), a.end(), [&](array<int, 3>&x, array<int, 3>&y){return x[0] + x[1] < y[0] + y[1];});

	int ans = 0;
	auto sol = [&](int bt){
		vector<int> dp(n + m), ndp(n + m), pre(n + m);

		int ap = k - 1;
		for(int i = n + m - 2; i >= 0; --i){
            if(i + 3000 >= n + m - 2){
                for(int j = 0; j < n + m - 1; ++j){
                    if(!bt) ndp[j] = min(dp[j], dp[j + 1]);
                    else ndp[j] = max(dp[j], dp[j + 1]);
                }
                swap(dp, ndp);
                for(int j = 0; j < n + m; ++j){
                    pre[j] = dp[j];
                    if(j) pre[j] += pre[j - 1];
                }
            }

			while(ap >= 0 && a[ap][0] + a[ap][1] == i){
				dp[a[ap][1]] = a[ap][2];
				--ap;
			}

			if(!bt){
				for(int x = 0; x <= i; ++x){
					int y = i - x;
					if(x < n && y < m){
						(ans += dp[y] + mod * 2) %= mod;
					}
				}
			}

			bt ^= 1;
		}
	};
	sol(0);
	sol(1);

	cout << ans << '\n';
	
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 18 ms 364 KB Output is correct
10 Correct 58 ms 2660 KB Output is correct
11 Correct 60 ms 2668 KB Output is correct
12 Correct 52 ms 2660 KB Output is correct
13 Correct 49 ms 2644 KB Output is correct
14 Correct 41 ms 2672 KB Output is correct
15 Correct 39 ms 2684 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 9 ms 468 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 340 KB Output is correct
22 Correct 61 ms 2668 KB Output is correct
23 Correct 47 ms 2676 KB Output is correct
24 Correct 47 ms 2644 KB Output is correct
25 Correct 48 ms 2644 KB Output is correct
26 Correct 51 ms 2660 KB Output is correct
27 Correct 48 ms 2680 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 5 ms 348 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 40 ms 2676 KB Output is correct
33 Correct 42 ms 2668 KB Output is correct
34 Correct 24 ms 2644 KB Output is correct
35 Correct 25 ms 2664 KB Output is correct
36 Correct 28 ms 2664 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 121 ms 1020 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3052 ms 5036 KB Output is correct
2 Correct 2726 ms 5020 KB Output is correct
3 Execution timed out 5023 ms 4948 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 18 ms 364 KB Output is correct
10 Correct 58 ms 2660 KB Output is correct
11 Correct 60 ms 2668 KB Output is correct
12 Correct 52 ms 2660 KB Output is correct
13 Correct 49 ms 2644 KB Output is correct
14 Correct 41 ms 2672 KB Output is correct
15 Correct 39 ms 2684 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 9 ms 468 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 340 KB Output is correct
22 Correct 61 ms 2668 KB Output is correct
23 Correct 47 ms 2676 KB Output is correct
24 Correct 47 ms 2644 KB Output is correct
25 Correct 48 ms 2644 KB Output is correct
26 Correct 51 ms 2660 KB Output is correct
27 Correct 48 ms 2680 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 5 ms 348 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 40 ms 2676 KB Output is correct
33 Correct 42 ms 2668 KB Output is correct
34 Correct 24 ms 2644 KB Output is correct
35 Correct 25 ms 2664 KB Output is correct
36 Correct 28 ms 2664 KB Output is correct
37 Runtime error 196 ms 524288 KB Execution killed with signal 9
38 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5038 ms 7284 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5038 ms 7284 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 18 ms 364 KB Output is correct
10 Correct 58 ms 2660 KB Output is correct
11 Correct 60 ms 2668 KB Output is correct
12 Correct 52 ms 2660 KB Output is correct
13 Correct 49 ms 2644 KB Output is correct
14 Correct 41 ms 2672 KB Output is correct
15 Correct 39 ms 2684 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 9 ms 468 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 340 KB Output is correct
22 Correct 61 ms 2668 KB Output is correct
23 Correct 47 ms 2676 KB Output is correct
24 Correct 47 ms 2644 KB Output is correct
25 Correct 48 ms 2644 KB Output is correct
26 Correct 51 ms 2660 KB Output is correct
27 Correct 48 ms 2680 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 5 ms 348 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 40 ms 2676 KB Output is correct
33 Correct 42 ms 2668 KB Output is correct
34 Correct 24 ms 2644 KB Output is correct
35 Correct 25 ms 2664 KB Output is correct
36 Correct 28 ms 2664 KB Output is correct
37 Correct 3052 ms 5036 KB Output is correct
38 Correct 2726 ms 5020 KB Output is correct
39 Execution timed out 5023 ms 4948 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 155 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 18 ms 364 KB Output is correct
10 Correct 58 ms 2660 KB Output is correct
11 Correct 60 ms 2668 KB Output is correct
12 Correct 52 ms 2660 KB Output is correct
13 Correct 49 ms 2644 KB Output is correct
14 Correct 41 ms 2672 KB Output is correct
15 Correct 39 ms 2684 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 4 ms 356 KB Output is correct
18 Correct 9 ms 468 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 4 ms 344 KB Output is correct
21 Correct 4 ms 340 KB Output is correct
22 Correct 61 ms 2668 KB Output is correct
23 Correct 47 ms 2676 KB Output is correct
24 Correct 47 ms 2644 KB Output is correct
25 Correct 48 ms 2644 KB Output is correct
26 Correct 51 ms 2660 KB Output is correct
27 Correct 48 ms 2680 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 4 ms 340 KB Output is correct
30 Correct 5 ms 348 KB Output is correct
31 Correct 4 ms 340 KB Output is correct
32 Correct 40 ms 2676 KB Output is correct
33 Correct 42 ms 2668 KB Output is correct
34 Correct 24 ms 2644 KB Output is correct
35 Correct 25 ms 2664 KB Output is correct
36 Correct 28 ms 2664 KB Output is correct
37 Correct 3052 ms 5036 KB Output is correct
38 Correct 2726 ms 5020 KB Output is correct
39 Execution timed out 5023 ms 4948 KB Time limit exceeded
40 Halted 0 ms 0 KB -