oj.uz

Submission #671691

# Submission time Handle Problem Language Result Execution time Memory
671691 2022-12-13T14:48:39 Z Dan4Life Palembang Bridges (APIO15_bridge) C++17
100 / 100
 139 ms 9272 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define pb push_back
using pii = pair<int,int>;
#define all(a) a.begin(),a.end()
#define sz(a) (int)a.size()
const int maxn = (int)1e5+10;
const int LINF = (int)1e18;
vector<int> v;
vector<pii> seg;
set<pii> bef,dur,aft;
int t, n, tot, ans=LINF;
int a[maxn], b[maxn];
priority_queue<int> p1; 
priority_queue<int,vector<int>,greater<int>> p2;
int sum, x;
void adjust(){
	while(!p1.empty() and sz(p1)>sz(p2)) 
		x=p1.top(), p1.pop(),p2.push(x), sum+=2*x;
	while(!p2.empty() and sz(p1)<sz(p2)) 
		x=p2.top(), p2.pop(),p1.push(x), sum-=2*x;
}

void add(int x){
	if(p1.empty() or p1.top()>=x) p1.push(x), sum-=x;
	else p2.push(x), sum+=x; adjust();
}

void chk(int a[]){
	while(!p1.empty())p1.pop(); while(!p2.empty())p2.pop(); sum=0;
	for(int i = 0; i < sz(seg); i++)
		add(seg[i].se), add(seg[i].fi-seg[i].se), a[i]=sum;
}

int32_t main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> t >> n; int ans = LINF;
	for(int i = 0; i < n; i++){
		char a, c; int b, d;
		cin >> a >> b >> c >> d;
		if(a==c) tot+=abs(b-d);
		else seg.pb({b+d, min(b,d)}), tot++;
	}
	sort(all(seg));
	if(!seg.empty()) chk(a), ans=a[sz(seg)-1];
	if(t==2){
		chk(a),reverse(all(seg)),chk(b);
		for(int i = 0; i < sz(seg); i++)
			ans = min(ans, a[i]+b[sz(seg)-i-2]);
	}
	if(seg.empty()) ans=0;
	cout << ans+tot;
}

Compilation message

bridge.cpp: In function 'void add(long long int)':
bridge.cpp:30:2: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   30 |  else p2.push(x), sum+=x; adjust();
      |  ^~~~
bridge.cpp:30:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   30 |  else p2.push(x), sum+=x; adjust();
      |                           ^~~~~~
bridge.cpp: In function 'void chk(long long int*)':
bridge.cpp:34:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   34 |  while(!p1.empty())p1.pop(); while(!p2.empty())p2.pop(); sum=0;
      |  ^~~~~
bridge.cpp:34:30: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   34 |  while(!p1.empty())p1.pop(); while(!p2.empty())p2.pop(); sum=0;
      |                              ^~~~~

Subtask #1
8.0 / 8.0

# 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 344 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 352 KB Output is correct
11 Correct 1 ms 344 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 0 ms 216 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 1 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
12 Correct 26 ms 5580 KB Output is correct
13 Correct 52 ms 5300 KB Output is correct
14 Correct 40 ms 5828 KB Output is correct
15 Correct 28 ms 3536 KB Output is correct
16 Correct 33 ms 5508 KB Output is correct
17 Correct 35 ms 5576 KB Output is correct
18 Correct 39 ms 5524 KB Output is correct
19 Correct 44 ms 5676 KB Output is correct
20 Correct 34 ms 5556 KB Output is correct
21 Correct 41 ms 5500 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 216 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 216 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 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 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 328 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 2 ms 336 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 216 KB Output is correct
2 Correct 0 ms 216 KB Output is correct
3 Correct 0 ms 216 KB Output is correct
4 Correct 1 ms 216 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 2 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 58 ms 7100 KB Output is correct
26 Correct 100 ms 7404 KB Output is correct
27 Correct 132 ms 8628 KB Output is correct
28 Correct 139 ms 9192 KB Output is correct
29 Correct 137 ms 9272 KB Output is correct
30 Correct 70 ms 4900 KB Output is correct
31 Correct 71 ms 8000 KB Output is correct
32 Correct 98 ms 8656 KB Output is correct
33 Correct 92 ms 8244 KB Output is correct
34 Correct 106 ms 8708 KB Output is correct
35 Correct 66 ms 8196 KB Output is correct
36 Correct 106 ms 8412 KB Output is correct
37 Correct 57 ms 7148 KB Output is correct