oj.uz

Submission #955772

# Submission time Handle Problem Language Result Execution time Memory
955772 2024-03-31T12:04:31 Z vjudge1 Pinball (JOI14_pinball) C++17
11 / 100
 193 ms 524288 KB 
#include <iostream>
#include <set>
#include <map>
#include <climits>
#define int long long
using namespace std;

const int M = 205, K = 605, INF = 1e15;
int intl[M], intr[M], to[M], cost[M], dp[M][K][K], m, n, k;

int calc(int i, int l, int r) {
	if (l <= 0 && r >= k - 1) return 0;
	if (l < 0 || r >= k || i < 0) return INF;
	int &dpr = dp[i][l][r];
	if (dpr == -1) {
		dpr = calc(i - 1, l, r);
		if (l <= to[i] && to[i] <= r && !(l <= intl[i] && intr[i] <= r)) {
			// cerr << "the interval [" << l << "-" << r << "] catches " << i << ": " << intl[i] << '-' << intr[i] << " to " << to[i] << endl;
			dpr = min(dpr, cost[i] + calc(i - 1, min(intl[i], l), max(intr[i], r)));
		}
		// fprintf(stderr, "dp[%lld][%lld][%lld] = %lld\n", i, l, r, dpr);
	}
	return dpr;
}

signed main() {
	#ifdef ONLINE_JUDGE
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	#endif

	cin >> m >> n;
	set <int> compress;
	for (int i = 0; i < m; i++) {
		cin >> intl[i] >> intr[i] >> to[i] >> cost[i];
		compress.insert(intl[i]);
		compress.insert(intr[i]);
		compress.insert(to[i]);
	}
	if (*compress.begin() > 1 || *compress.rbegin() < n) {
		cout << -1;
		return 0;
	}
	map <int, int> compressidx;
	for (auto &x : compress) {
		compressidx[x] = k++;
	}
	for (int _1 = 0; _1 <= m; _1++) {
		for (int _2 = 0; _2 <= k; _2++) {
			for (int _3 = 0; _3 <= k; _3++) {
				dp[_1][_2][_3] = -1;
			}
		}
	}
	for (int i = 0; i < m; i++) {
		intl[i] = compressidx[intl[i]];
		intr[i] = compressidx[intr[i]];
		to[i] = compressidx[to[i]];
	}
	int mn = LLONG_MAX;
	for (int i = 0; i < k; i++) {
		if (mn > calc(m - 1, i, i)) mn = calc(m - 1, i, i);
	}
	if (mn >= INF) mn = -1;
	cout << mn;
	return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 3 ms 20828 KB Output is correct
4 Correct 3 ms 20828 KB Output is correct
5 Correct 3 ms 20828 KB Output is correct
6 Correct 3 ms 20828 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 20828 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 3 ms 20828 KB Output is correct
4 Correct 3 ms 20828 KB Output is correct
5 Correct 3 ms 20828 KB Output is correct
6 Correct 3 ms 20828 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 20828 KB Output is correct
9 Correct 86 ms 190180 KB Output is correct
10 Correct 71 ms 281428 KB Output is correct
11 Correct 102 ms 328668 KB Output is correct
12 Runtime error 193 ms 524288 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 3 ms 20828 KB Output is correct
4 Correct 3 ms 20828 KB Output is correct
5 Correct 3 ms 20828 KB Output is correct
6 Correct 3 ms 20828 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 20828 KB Output is correct
9 Correct 86 ms 190180 KB Output is correct
10 Correct 71 ms 281428 KB Output is correct
11 Correct 102 ms 328668 KB Output is correct
12 Runtime error 193 ms 524288 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 2 ms 16732 KB Output is correct
3 Correct 3 ms 20828 KB Output is correct
4 Correct 3 ms 20828 KB Output is correct
5 Correct 3 ms 20828 KB Output is correct
6 Correct 3 ms 20828 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 20828 KB Output is correct
9 Correct 86 ms 190180 KB Output is correct
10 Correct 71 ms 281428 KB Output is correct
11 Correct 102 ms 328668 KB Output is correct
12 Runtime error 193 ms 524288 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -