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Submission #582835

# Submission time Handle Problem Language Result Execution time Memory
582835 2022-06-24T13:39:45 Z Justin1 Palembang Bridges (APIO15_bridge) C++14
63 / 100
 2000 ms 8776 KB 
#include <bits/stdc++.h>
#define ll long long
using namespace std;

struct ppl {
	ll h,o; //house, office
	bool operator < (const ppl & x) const {
		return h+o < x.h+x.o;
	}
};

ll n,m,k,x,y,z;
char st, ed;

ll cal(vector<ppl> & city, vector<ll> & median) {
	ll ans = 0;
	if (median.size()) {
		sort(median.begin(),median.end());
		ll bridge = median[median.size()/2];
		for (auto i : city) ans += abs(i.h-bridge) + abs(i.o-bridge) + 1;
	}
	return ans;
}

signed main() {
	cin >> m >> n;
	vector<ll> median;
	vector<ppl> city;
	ll ans = 0, mn = 1e18;
	for (int i = 1; i <= n; i++) {
		cin >> st >> x >> ed >> y;
		if (st == ed) ans += abs(x-y);
		else city.push_back({x,y});
	}
	sort(city.begin(),city.end());
	for (int i = 0; i <= (m == 1 ? 0 : city.size()); i++) {
		vector<ppl> c1, c2;
		vector<ll> m1, m2;
		for (int j = 0; j < i; j++) {
			c1.push_back(city[j]);
			m1.push_back(city[j].h);
			m1.push_back(city[j].o);
		}
		for (int j = i; j < city.size(); j++) {
			c2.push_back(city[j]);
			m2.push_back(city[j].h);
			m2.push_back(city[j].o);
		}
		mn = min(mn,cal(c1,m1)+cal(c2,m2));
	}
	cout << ans + mn << "\n";
}

Compilation message

bridge.cpp: In function 'int main()':
bridge.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
   36 |  for (int i = 0; i <= (m == 1 ? 0 : city.size()); i++) {
      |                  ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp:44:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<ppl>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for (int j = i; j < city.size(); j++) {
      |                   ~~^~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 53 ms 6728 KB Output is correct
13 Correct 132 ms 6748 KB Output is correct
14 Correct 76 ms 6440 KB Output is correct
15 Correct 81 ms 3580 KB Output is correct
16 Correct 84 ms 6928 KB Output is correct
17 Correct 97 ms 6848 KB Output is correct
18 Correct 96 ms 6852 KB Output is correct
19 Correct 109 ms 6720 KB Output is correct
20 Correct 85 ms 6720 KB Output is correct
21 Correct 98 ms 6804 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 2 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 2 ms 212 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 34 ms 340 KB Output is correct
14 Correct 87 ms 384 KB Output is correct
15 Correct 98 ms 412 KB Output is correct
16 Correct 4 ms 340 KB Output is correct
17 Correct 28 ms 372 KB Output is correct
18 Correct 13 ms 304 KB Output is correct
19 Correct 33 ms 400 KB Output is correct
20 Correct 39 ms 340 KB Output is correct
21 Correct 84 ms 344 KB Output is correct
22 Correct 43 ms 308 KB Output is correct
23 Correct 28 ms 340 KB Output is correct
24 Correct 40 ms 396 KB Output is correct

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 30 ms 340 KB Output is correct
14 Correct 89 ms 404 KB Output is correct
15 Correct 97 ms 408 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 25 ms 340 KB Output is correct
18 Correct 17 ms 344 KB Output is correct
19 Correct 38 ms 396 KB Output is correct
20 Correct 38 ms 340 KB Output is correct
21 Correct 84 ms 504 KB Output is correct
22 Correct 42 ms 396 KB Output is correct
23 Correct 28 ms 308 KB Output is correct
24 Correct 43 ms 340 KB Output is correct
25 Execution timed out 2065 ms 8776 KB Time limit exceeded
26 Halted 0 ms 0 KB -