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Submission #955793

# Submission time Handle Problem Language Result Execution time Memory
955793 2024-03-31T12:25:47 Z vjudge1 Pinball (JOI14_pinball) C++17
11 / 100
 184 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() {
	for (int i = 0; i < 1000; i++) signal(i, [](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 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 21084 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 21084 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 35 ms 190292 KB Output is correct
10 Correct 77 ms 281544 KB Output is correct
11 Correct 97 ms 330368 KB Output is correct
12 Runtime error 184 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 21084 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 35 ms 190292 KB Output is correct
10 Correct 77 ms 281544 KB Output is correct
11 Correct 97 ms 330368 KB Output is correct
12 Runtime error 184 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 21084 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 35 ms 190292 KB Output is correct
10 Correct 77 ms 281544 KB Output is correct
11 Correct 97 ms 330368 KB Output is correct
12 Runtime error 184 ms 524288 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -