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Submission #955792

# Submission time Handle Problem Language Result Execution time Memory
955792 2024-03-31T12:25:07 Z vjudge1 Pinball (JOI14_pinball) C++17
11 / 100
 197 ms 524288 KB 
#include <iostream>
#include <signal.h>
#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() {
	signal(SIGSEGV, [](signed s) { cout << -1; exit(0); });
	#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.empty() || *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 1 ms 10588 KB Output is correct
2 Correct 3 ms 16820 KB Output is correct
3 Correct 4 ms 20828 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 3 ms 21080 KB Output is correct
6 Correct 4 ms 20828 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 3 ms 20824 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 3 ms 16820 KB Output is correct
3 Correct 4 ms 20828 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 3 ms 21080 KB Output is correct
6 Correct 4 ms 20828 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 3 ms 20824 KB Output is correct
9 Correct 84 ms 186816 KB Output is correct
10 Correct 71 ms 279424 KB Output is correct
11 Correct 94 ms 328604 KB Output is correct
12 Runtime error 197 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 1 ms 10588 KB Output is correct
2 Correct 3 ms 16820 KB Output is correct
3 Correct 4 ms 20828 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 3 ms 21080 KB Output is correct
6 Correct 4 ms 20828 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 3 ms 20824 KB Output is correct
9 Correct 84 ms 186816 KB Output is correct
10 Correct 71 ms 279424 KB Output is correct
11 Correct 94 ms 328604 KB Output is correct
12 Runtime error 197 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 1 ms 10588 KB Output is correct
2 Correct 3 ms 16820 KB Output is correct
3 Correct 4 ms 20828 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 3 ms 21080 KB Output is correct
6 Correct 4 ms 20828 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 3 ms 20824 KB Output is correct
9 Correct 84 ms 186816 KB Output is correct
10 Correct 71 ms 279424 KB Output is correct
11 Correct 94 ms 328604 KB Output is correct
12 Runtime error 197 ms 524288 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -