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Submission #402988

# Submission time Handle Problem Language Result Execution time Memory
402988 2021-05-12T15:59:12 Z yoavL Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 245 ms 262148 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>

#define upmax(a, b) a = max(a, b);
#define upmin(a, b) a = min(a, b);
#define pr(x) cout << x << endl;
#define wpr(x) cout << #x << ": " << x << endl;
#define rep(i, s, e) for(ll i = s; i < e; i++)
#define rep(i, e) for(ll i = 0; i < e; i++)

using namespace std;

using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using pll = pair<ll, ll>;

const ll inf = 1e18;

ll n, m;
vvll d, have; // [place][sky ind]
vll s, p;


void bfs()
{
	deque<pll> q; // {place, sky ind}
	q.push_front({ s[0], 0 });
	d[s[0]][0] = 0;

	while (!q.empty()) {
		ll b = q.front().first;
		ll ind = q.front().second;
		//wpr(b);
		//wpr(ind);
		//cout << "dist: " << d[b][ind] << endl;
		q.pop_front();
		rep(i, have[b].size()) {
			if (d[b][have[b][i]] != inf) continue;
			d[b][have[b][i]] = d[b][ind];
			q.push_front({ b, have[b][i] });
		}
		have[b].clear();

		ll jump = p[ind];
		if (b - jump >= 0 && d[b-jump][ind] == inf) {
			d[b - jump][ind] = d[b][ind] + 1;
			q.push_back({ b - jump, ind });
		}


		
		if (b + jump < n && d[b + jump][ind] == inf) {
			d[b + jump][ind] = d[b][ind] + 1;
			q.push_back({ b + jump, ind });
		}
	}

}

int main()
{
	cin >> n >> m;
	s.resize(m);
	p.resize(m);
	have.resize(n);
	rep(i, m) {
		cin >> s[i] >> p[i];
		have[s[i]].push_back(i);
	}

	d.resize(n, vll(m, inf));
	bfs();
	ll ans = d[s[1]][1];
	if (ans == inf) ans = -1;
	pr(ans);
}

/*


*/

Compilation message

skyscraper.cpp:11: warning: "rep" redefined
   11 | #define rep(i, e) for(ll i = 0; i < e; i++)
      | 
skyscraper.cpp:10: note: this is the location of the previous definition
   10 | #define rep(i, s, e) for(ll i = s; i < e; i++)
      | 
skyscraper.cpp: In function 'void bfs()':
skyscraper.cpp:11:35: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 | #define rep(i, e) for(ll i = 0; i < e; i++)
......
   43 |   rep(i, have[b].size()) {
      |       ~~~~~~~~~~~~~~~~~            
skyscraper.cpp:43:3: note: in expansion of macro 'rep'
   43 |   rep(i, have[b].size()) {
      |   ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 7 ms 1992 KB Output is correct
13 Correct 8 ms 1868 KB Output is correct
14 Correct 3 ms 1868 KB Output is correct
15 Correct 3 ms 1876 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 7 ms 1868 KB Output is correct
13 Correct 7 ms 1868 KB Output is correct
14 Correct 3 ms 1868 KB Output is correct
15 Correct 3 ms 1868 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 9 ms 10712 KB Output is correct
18 Correct 9 ms 13872 KB Output is correct
19 Correct 5 ms 9036 KB Output is correct
20 Correct 237 ms 31840 KB Output is correct
21 Correct 4 ms 3916 KB Output is correct
22 Correct 6 ms 10444 KB Output is correct
23 Correct 7 ms 12364 KB Output is correct
24 Correct 16 ms 28572 KB Output is correct
25 Correct 16 ms 31820 KB Output is correct
26 Correct 95 ms 31840 KB Output is correct
27 Correct 85 ms 31820 KB Output is correct
28 Correct 21 ms 31820 KB Output is correct
29 Correct 10 ms 12068 KB Output is correct
30 Correct 3 ms 3276 KB Output is correct
31 Correct 7 ms 9548 KB Output is correct
32 Correct 6 ms 8012 KB Output is correct
33 Correct 25 ms 31820 KB Output is correct
34 Correct 24 ms 31836 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 3 ms 1968 KB Output is correct
12 Correct 6 ms 1960 KB Output is correct
13 Correct 7 ms 1868 KB Output is correct
14 Correct 3 ms 1868 KB Output is correct
15 Correct 3 ms 1868 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 8 ms 10700 KB Output is correct
18 Correct 8 ms 13900 KB Output is correct
19 Correct 6 ms 9048 KB Output is correct
20 Correct 245 ms 31864 KB Output is correct
21 Correct 4 ms 3916 KB Output is correct
22 Correct 6 ms 10444 KB Output is correct
23 Correct 7 ms 12364 KB Output is correct
24 Correct 16 ms 28468 KB Output is correct
25 Correct 17 ms 31828 KB Output is correct
26 Correct 94 ms 31828 KB Output is correct
27 Correct 86 ms 31820 KB Output is correct
28 Correct 19 ms 31820 KB Output is correct
29 Correct 12 ms 12108 KB Output is correct
30 Correct 3 ms 3276 KB Output is correct
31 Correct 7 ms 9548 KB Output is correct
32 Correct 6 ms 8012 KB Output is correct
33 Correct 24 ms 31716 KB Output is correct
34 Correct 25 ms 31836 KB Output is correct
35 Runtime error 150 ms 262148 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 1 ms 292 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 4 ms 1868 KB Output is correct
12 Correct 7 ms 1868 KB Output is correct
13 Correct 7 ms 1868 KB Output is correct
14 Correct 3 ms 1868 KB Output is correct
15 Correct 3 ms 1868 KB Output is correct
16 Correct 2 ms 1612 KB Output is correct
17 Correct 8 ms 10732 KB Output is correct
18 Correct 8 ms 13900 KB Output is correct
19 Correct 5 ms 9164 KB Output is correct
20 Correct 238 ms 31844 KB Output is correct
21 Correct 4 ms 3884 KB Output is correct
22 Correct 6 ms 10444 KB Output is correct
23 Correct 7 ms 12364 KB Output is correct
24 Correct 16 ms 28508 KB Output is correct
25 Correct 17 ms 31744 KB Output is correct
26 Correct 92 ms 31832 KB Output is correct
27 Correct 87 ms 31820 KB Output is correct
28 Correct 19 ms 31820 KB Output is correct
29 Correct 10 ms 12064 KB Output is correct
30 Correct 3 ms 3276 KB Output is correct
31 Correct 8 ms 9548 KB Output is correct
32 Correct 6 ms 7976 KB Output is correct
33 Correct 26 ms 31820 KB Output is correct
34 Correct 27 ms 31832 KB Output is correct
35 Runtime error 132 ms 262148 KB Execution killed with signal 9
36 Halted 0 ms 0 KB -