oj.uz

Submission #108316

# Submission time Handle Problem Language Result Execution time Memory
108316 2019-04-28T13:58:18 Z kek Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 221 ms 263168 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

// #define int ll
#define all(v) v.begin(), v.end()
#define len(v) ((int)(v).size())
#define pb push_back
#define kek pop_back
#define pii pair<int, int>
#define mp make_pair

#define debug(x) cout << #x << " = " << x << endl;

const int INF = 1e9 + 666;

template<class t1, class t2>
bool cmin(t1 &a, const t2 &b) {
	if (a > b) {
		a = b;
		return true;
	}
	return false;
}

template<class t1, class t2>
bool cmax(t1 &a, const t2 &b) {
	if (a < b) {
		a = b;
		return true;
	}
	return false;
}

#ifndef LOCAL
void UseFiles(const string &s) {
	freopen((s + ".in").c_str(), "r", stdin);
	freopen((s + ".out").c_str(), "w", stdout);
}
#else
void UseFiles(const string&) {}
#endif

void run();

signed main() {
	// UseFiles("cowboys");
	iostream::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	run();
}

void run() {
	int n, m;
	cin >> n >> m;
	vector<pii> doges(m);
	swap(n, m);
	for (auto &x : doges) {
		cin >> x.first >> x.second;
	}
	vector<vector<int>> g(n, vector<int>(n, INF));
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) {
			if ((doges[i].first - doges[j].first) % doges[i].second == 0) {
				g[i][j] = abs((doges[i].first - doges[j].first) / doges[i].second);
			}
		}
	}
	vector<int> dist(n, INF);
	dist[0] = 0;
	priority_queue<pii, vector<pii>, greater<pii>> q;
	q.push({0, 0});
	while (len(q)) {
		int d, v;
		tie(d, v) = q.top();
		q.pop();
		if (dist[v] != d) {
			continue;
		}
		for (int i = 0; i < n; ++i) {
			if (cmin(dist[i], d + g[v][i])) {
				q.push({dist[i], i});
			}
		}
	}
	if (dist[1] == INF) {
		cout << -1 << endl;
	} else {
		cout << dist[1] << endl;
	}
}

Compilation message

skyscraper.cpp: In function 'void UseFiles(const string&)':
skyscraper.cpp:40:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen((s + ".in").c_str(), "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:41:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen((s + ".out").c_str(), "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 300 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 428 KB Output is correct
10 Correct 5 ms 1024 KB Output is correct
11 Correct 41 ms 16124 KB Output is correct
12 Correct 34 ms 16164 KB Output is correct
13 Correct 36 ms 16128 KB Output is correct
14 Correct 35 ms 16148 KB Output is correct
15 Correct 40 ms 16248 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 1024 KB Output is correct
11 Correct 41 ms 16128 KB Output is correct
12 Correct 42 ms 16128 KB Output is correct
13 Correct 36 ms 16128 KB Output is correct
14 Correct 37 ms 16248 KB Output is correct
15 Correct 38 ms 16128 KB Output is correct
16 Correct 8 ms 3172 KB Output is correct
17 Correct 32 ms 12800 KB Output is correct
18 Correct 9 ms 4224 KB Output is correct
19 Correct 5 ms 1536 KB Output is correct
20 Correct 40 ms 16080 KB Output is correct
21 Correct 13 ms 5760 KB Output is correct
22 Correct 7 ms 2432 KB Output is correct
23 Correct 11 ms 3968 KB Output is correct
24 Correct 34 ms 14336 KB Output is correct
25 Correct 34 ms 16128 KB Output is correct
26 Correct 38 ms 16128 KB Output is correct
27 Correct 40 ms 16128 KB Output is correct
28 Correct 34 ms 16128 KB Output is correct
29 Correct 9 ms 2560 KB Output is correct
30 Correct 2 ms 512 KB Output is correct
31 Correct 6 ms 1664 KB Output is correct
32 Correct 4 ms 1280 KB Output is correct
33 Correct 37 ms 16132 KB Output is correct
34 Correct 37 ms 16248 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 1024 KB Output is correct
11 Correct 43 ms 16140 KB Output is correct
12 Correct 35 ms 16128 KB Output is correct
13 Correct 37 ms 16128 KB Output is correct
14 Correct 39 ms 16252 KB Output is correct
15 Correct 43 ms 16248 KB Output is correct
16 Correct 9 ms 3200 KB Output is correct
17 Correct 32 ms 12800 KB Output is correct
18 Correct 9 ms 4224 KB Output is correct
19 Correct 5 ms 1536 KB Output is correct
20 Correct 38 ms 16128 KB Output is correct
21 Correct 12 ms 5760 KB Output is correct
22 Correct 6 ms 2432 KB Output is correct
23 Correct 10 ms 4096 KB Output is correct
24 Correct 34 ms 14464 KB Output is correct
25 Correct 36 ms 16128 KB Output is correct
26 Correct 39 ms 16140 KB Output is correct
27 Correct 41 ms 16128 KB Output is correct
28 Correct 41 ms 16128 KB Output is correct
29 Correct 7 ms 2560 KB Output is correct
30 Correct 2 ms 512 KB Output is correct
31 Correct 6 ms 1792 KB Output is correct
32 Correct 5 ms 1280 KB Output is correct
33 Correct 39 ms 16248 KB Output is correct
34 Correct 39 ms 16232 KB Output is correct
35 Runtime error 221 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 4 ms 1024 KB Output is correct
11 Correct 38 ms 16248 KB Output is correct
12 Correct 36 ms 16248 KB Output is correct
13 Correct 35 ms 16128 KB Output is correct
14 Correct 46 ms 16248 KB Output is correct
15 Correct 35 ms 16248 KB Output is correct
16 Correct 7 ms 3200 KB Output is correct
17 Correct 31 ms 12920 KB Output is correct
18 Correct 9 ms 4224 KB Output is correct
19 Correct 4 ms 1536 KB Output is correct
20 Correct 37 ms 16128 KB Output is correct
21 Correct 13 ms 5888 KB Output is correct
22 Correct 6 ms 2432 KB Output is correct
23 Correct 12 ms 4096 KB Output is correct
24 Correct 34 ms 14336 KB Output is correct
25 Correct 40 ms 16256 KB Output is correct
26 Correct 50 ms 16128 KB Output is correct
27 Correct 50 ms 16128 KB Output is correct
28 Correct 39 ms 16100 KB Output is correct
29 Correct 7 ms 2560 KB Output is correct
30 Correct 3 ms 512 KB Output is correct
31 Correct 8 ms 1664 KB Output is correct
32 Correct 5 ms 1280 KB Output is correct
33 Correct 39 ms 16248 KB Output is correct
34 Correct 34 ms 16248 KB Output is correct
35 Runtime error 206 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
36 Halted 0 ms 0 KB -