oj.uz

Submission #295007

# Submission time Handle Problem Language Result Execution time Memory
295007 2020-09-09T12:03:36 Z Atill83 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 401 ms 344440 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = (int) 1e5 + 5;


int t[8*MAXN];
int lazy[8*MAXN];
void build(int v, int tl, int tr){
	if(tl == tr){
		t[v] = tl;
	}else{
		int tm = (tl + tr) / 2;
		build(2*v, tl, tm);
		build(2*v+1, tm + 1, tr);
	}
}

void push(int v){
	t[2*v] += lazy[v];
	t[2*v + 1] += lazy[v];
	lazy[2*v] += lazy[v];
	lazy[2*v + 1] += lazy[v];
	lazy[v] = 0;
}

void upd(int v, int tl, int tr, int l, int r){
	if(l > r) return;
	if(tl == l && tr == r){
		lazy[v]++;
		t[v]++;
	}else{
		push(v);
		int tm = (tl + tr) / 2;
		upd(2*v, tl, tm, l, min(tm, r));
		upd(2*v+1, tm + 1, tr, max(tm + 1, l), r);
	}
}

int que(int v, int tl, int tr, int pos){
	if(tl == tr) return t[v];
	else{
		push(v);
		int tm = (tl + tr) / 2;
		if(pos <= tm) return que(2*v, tl, tm, pos);
		else return que(2*v + 1, tm + 1, tr, pos);
	}
}


deque<int> dq[5*MAXN];


long long count_swaps(vector<int> s) {
	build(1, 0, s.size() - 1);
	ll ans = 0;
	for(int idx = 0; idx < s.size(); idx++){
		int i = s[idx];
		int ot = -i;
		if(dq[ot + MAXN].empty()){
			dq[i + MAXN].push_back(idx);
		}else{
			int ooidx = dq[ot + MAXN].front();
			dq[ot + MAXN].pop_front();
			int oidx = que(1, 0, s.size() - 1, ooidx);
			//cerr<<idx<<" "<<oidx<<endl;
			if(i < 0){
				ans += (idx - oidx);
			}else{
				ans += (idx - oidx - 1);
			}
			upd(1, 0, s.size() - 1, ooidx + 1, idx - 1);
		}
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for(int idx = 0; idx < s.size(); idx++){
      |                   ~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 336888 KB Output is correct
2 Correct 262 ms 336888 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 336888 KB Output is correct
2 Correct 262 ms 336888 KB Output is correct
3 Correct 260 ms 336888 KB Output is correct
4 Correct 263 ms 336888 KB Output is correct
5 Correct 260 ms 336888 KB Output is correct
6 Correct 257 ms 336944 KB Output is correct
7 Correct 259 ms 336888 KB Output is correct
8 Correct 256 ms 336888 KB Output is correct
9 Correct 260 ms 336888 KB Output is correct
10 Correct 259 ms 336920 KB Output is correct
11 Correct 261 ms 336888 KB Output is correct
12 Correct 261 ms 336888 KB Output is correct
13 Correct 260 ms 336888 KB Output is correct
14 Correct 257 ms 336888 KB Output is correct
15 Correct 261 ms 336888 KB Output is correct
16 Correct 259 ms 336888 KB Output is correct
17 Correct 261 ms 336888 KB Output is correct
18 Correct 261 ms 336888 KB Output is correct
19 Correct 258 ms 336888 KB Output is correct
20 Correct 252 ms 336888 KB Output is correct
21 Correct 260 ms 337016 KB Output is correct
22 Correct 260 ms 337016 KB Output is correct
23 Correct 256 ms 336888 KB Output is correct
24 Correct 261 ms 336888 KB Output is correct
25 Correct 255 ms 336888 KB Output is correct
26 Correct 256 ms 336888 KB Output is correct
27 Correct 258 ms 336888 KB Output is correct
28 Correct 256 ms 336892 KB Output is correct
29 Correct 262 ms 337016 KB Output is correct
30 Correct 256 ms 336952 KB Output is correct
31 Correct 262 ms 336888 KB Output is correct
32 Correct 256 ms 336916 KB Output is correct
33 Correct 256 ms 336916 KB Output is correct
34 Correct 260 ms 336896 KB Output is correct
35 Correct 257 ms 337016 KB Output is correct
36 Correct 260 ms 336888 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 336888 KB Output is correct
2 Correct 262 ms 336888 KB Output is correct
3 Correct 258 ms 336916 KB Output is correct
4 Correct 260 ms 336888 KB Output is correct
5 Correct 263 ms 336888 KB Output is correct
6 Correct 260 ms 336992 KB Output is correct
7 Correct 259 ms 336888 KB Output is correct
8 Correct 258 ms 336888 KB Output is correct
9 Correct 260 ms 336948 KB Output is correct
10 Correct 259 ms 336888 KB Output is correct
11 Correct 258 ms 336888 KB Output is correct
12 Correct 258 ms 336888 KB Output is correct
13 Correct 260 ms 337016 KB Output is correct
14 Correct 257 ms 337020 KB Output is correct
15 Correct 256 ms 336888 KB Output is correct
16 Correct 257 ms 337144 KB Output is correct
17 Correct 263 ms 336888 KB Output is correct
18 Correct 267 ms 337016 KB Output is correct
19 Correct 264 ms 336944 KB Output is correct
20 Correct 286 ms 337656 KB Output is correct
21 Correct 286 ms 337656 KB Output is correct
22 Correct 347 ms 342648 KB Output is correct
23 Correct 306 ms 344004 KB Output is correct
24 Correct 325 ms 343832 KB Output is correct
25 Correct 350 ms 344184 KB Output is correct
26 Correct 330 ms 343928 KB Output is correct
27 Correct 296 ms 343672 KB Output is correct
28 Correct 359 ms 344312 KB Output is correct
29 Correct 357 ms 344312 KB Output is correct
30 Correct 354 ms 344312 KB Output is correct
31 Correct 327 ms 343860 KB Output is correct
32 Correct 351 ms 344312 KB Output is correct
33 Correct 347 ms 344056 KB Output is correct
34 Correct 347 ms 344312 KB Output is correct
35 Correct 262 ms 336888 KB Output is correct
36 Correct 261 ms 337272 KB Output is correct
37 Correct 349 ms 344432 KB Output is correct
38 Correct 371 ms 344440 KB Output is correct
39 Correct 359 ms 344312 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 260 ms 336892 KB Output is correct
2 Correct 259 ms 336888 KB Output is correct
3 Correct 258 ms 336892 KB Output is correct
4 Correct 261 ms 336916 KB Output is correct
5 Correct 374 ms 342572 KB Output is correct
6 Correct 371 ms 343800 KB Output is correct
7 Correct 383 ms 343800 KB Output is correct
8 Correct 353 ms 344312 KB Output is correct
9 Correct 379 ms 343808 KB Output is correct
10 Correct 373 ms 344008 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 336888 KB Output is correct
2 Correct 262 ms 336888 KB Output is correct
3 Correct 260 ms 336888 KB Output is correct
4 Correct 263 ms 336888 KB Output is correct
5 Correct 260 ms 336888 KB Output is correct
6 Correct 257 ms 336944 KB Output is correct
7 Correct 259 ms 336888 KB Output is correct
8 Correct 256 ms 336888 KB Output is correct
9 Correct 260 ms 336888 KB Output is correct
10 Correct 259 ms 336920 KB Output is correct
11 Correct 261 ms 336888 KB Output is correct
12 Correct 261 ms 336888 KB Output is correct
13 Correct 260 ms 336888 KB Output is correct
14 Correct 257 ms 336888 KB Output is correct
15 Correct 261 ms 336888 KB Output is correct
16 Correct 259 ms 336888 KB Output is correct
17 Correct 261 ms 336888 KB Output is correct
18 Correct 261 ms 336888 KB Output is correct
19 Correct 258 ms 336888 KB Output is correct
20 Correct 252 ms 336888 KB Output is correct
21 Correct 260 ms 337016 KB Output is correct
22 Correct 260 ms 337016 KB Output is correct
23 Correct 256 ms 336888 KB Output is correct
24 Correct 261 ms 336888 KB Output is correct
25 Correct 255 ms 336888 KB Output is correct
26 Correct 256 ms 336888 KB Output is correct
27 Correct 258 ms 336888 KB Output is correct
28 Correct 256 ms 336892 KB Output is correct
29 Correct 262 ms 337016 KB Output is correct
30 Correct 256 ms 336952 KB Output is correct
31 Correct 262 ms 336888 KB Output is correct
32 Correct 256 ms 336916 KB Output is correct
33 Correct 256 ms 336916 KB Output is correct
34 Correct 260 ms 336896 KB Output is correct
35 Correct 257 ms 337016 KB Output is correct
36 Correct 260 ms 336888 KB Output is correct
37 Correct 265 ms 336892 KB Output is correct
38 Correct 261 ms 336888 KB Output is correct
39 Correct 266 ms 336888 KB Output is correct
40 Correct 263 ms 336888 KB Output is correct
41 Correct 258 ms 336980 KB Output is correct
42 Correct 258 ms 337016 KB Output is correct
43 Correct 262 ms 337016 KB Output is correct
44 Correct 261 ms 337016 KB Output is correct
45 Correct 264 ms 337016 KB Output is correct
46 Correct 263 ms 337016 KB Output is correct
47 Correct 273 ms 337016 KB Output is correct
48 Correct 262 ms 337016 KB Output is correct
49 Correct 257 ms 337016 KB Output is correct
50 Correct 258 ms 336980 KB Output is correct
51 Correct 263 ms 337020 KB Output is correct
52 Correct 255 ms 337016 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 252 ms 336888 KB Output is correct
2 Correct 262 ms 336888 KB Output is correct
3 Correct 260 ms 336888 KB Output is correct
4 Correct 263 ms 336888 KB Output is correct
5 Correct 260 ms 336888 KB Output is correct
6 Correct 257 ms 336944 KB Output is correct
7 Correct 259 ms 336888 KB Output is correct
8 Correct 256 ms 336888 KB Output is correct
9 Correct 260 ms 336888 KB Output is correct
10 Correct 259 ms 336920 KB Output is correct
11 Correct 261 ms 336888 KB Output is correct
12 Correct 261 ms 336888 KB Output is correct
13 Correct 260 ms 336888 KB Output is correct
14 Correct 257 ms 336888 KB Output is correct
15 Correct 261 ms 336888 KB Output is correct
16 Correct 259 ms 336888 KB Output is correct
17 Correct 261 ms 336888 KB Output is correct
18 Correct 261 ms 336888 KB Output is correct
19 Correct 258 ms 336888 KB Output is correct
20 Correct 252 ms 336888 KB Output is correct
21 Correct 260 ms 337016 KB Output is correct
22 Correct 260 ms 337016 KB Output is correct
23 Correct 256 ms 336888 KB Output is correct
24 Correct 261 ms 336888 KB Output is correct
25 Correct 255 ms 336888 KB Output is correct
26 Correct 256 ms 336888 KB Output is correct
27 Correct 258 ms 336888 KB Output is correct
28 Correct 256 ms 336892 KB Output is correct
29 Correct 262 ms 337016 KB Output is correct
30 Correct 256 ms 336952 KB Output is correct
31 Correct 262 ms 336888 KB Output is correct
32 Correct 256 ms 336916 KB Output is correct
33 Correct 256 ms 336916 KB Output is correct
34 Correct 260 ms 336896 KB Output is correct
35 Correct 257 ms 337016 KB Output is correct
36 Correct 260 ms 336888 KB Output is correct
37 Correct 258 ms 336916 KB Output is correct
38 Correct 260 ms 336888 KB Output is correct
39 Correct 263 ms 336888 KB Output is correct
40 Correct 260 ms 336992 KB Output is correct
41 Correct 259 ms 336888 KB Output is correct
42 Correct 258 ms 336888 KB Output is correct
43 Correct 260 ms 336948 KB Output is correct
44 Correct 259 ms 336888 KB Output is correct
45 Correct 258 ms 336888 KB Output is correct
46 Correct 258 ms 336888 KB Output is correct
47 Correct 260 ms 337016 KB Output is correct
48 Correct 257 ms 337020 KB Output is correct
49 Correct 256 ms 336888 KB Output is correct
50 Correct 257 ms 337144 KB Output is correct
51 Correct 263 ms 336888 KB Output is correct
52 Correct 267 ms 337016 KB Output is correct
53 Correct 264 ms 336944 KB Output is correct
54 Correct 286 ms 337656 KB Output is correct
55 Correct 286 ms 337656 KB Output is correct
56 Correct 347 ms 342648 KB Output is correct
57 Correct 306 ms 344004 KB Output is correct
58 Correct 325 ms 343832 KB Output is correct
59 Correct 350 ms 344184 KB Output is correct
60 Correct 330 ms 343928 KB Output is correct
61 Correct 296 ms 343672 KB Output is correct
62 Correct 359 ms 344312 KB Output is correct
63 Correct 357 ms 344312 KB Output is correct
64 Correct 354 ms 344312 KB Output is correct
65 Correct 327 ms 343860 KB Output is correct
66 Correct 351 ms 344312 KB Output is correct
67 Correct 347 ms 344056 KB Output is correct
68 Correct 347 ms 344312 KB Output is correct
69 Correct 262 ms 336888 KB Output is correct
70 Correct 261 ms 337272 KB Output is correct
71 Correct 349 ms 344432 KB Output is correct
72 Correct 371 ms 344440 KB Output is correct
73 Correct 359 ms 344312 KB Output is correct
74 Correct 260 ms 336892 KB Output is correct
75 Correct 259 ms 336888 KB Output is correct
76 Correct 258 ms 336892 KB Output is correct
77 Correct 261 ms 336916 KB Output is correct
78 Correct 374 ms 342572 KB Output is correct
79 Correct 371 ms 343800 KB Output is correct
80 Correct 383 ms 343800 KB Output is correct
81 Correct 353 ms 344312 KB Output is correct
82 Correct 379 ms 343808 KB Output is correct
83 Correct 373 ms 344008 KB Output is correct
84 Correct 265 ms 336892 KB Output is correct
85 Correct 261 ms 336888 KB Output is correct
86 Correct 266 ms 336888 KB Output is correct
87 Correct 263 ms 336888 KB Output is correct
88 Correct 258 ms 336980 KB Output is correct
89 Correct 258 ms 337016 KB Output is correct
90 Correct 262 ms 337016 KB Output is correct
91 Correct 261 ms 337016 KB Output is correct
92 Correct 264 ms 337016 KB Output is correct
93 Correct 263 ms 337016 KB Output is correct
94 Correct 273 ms 337016 KB Output is correct
95 Correct 262 ms 337016 KB Output is correct
96 Correct 257 ms 337016 KB Output is correct
97 Correct 258 ms 336980 KB Output is correct
98 Correct 263 ms 337020 KB Output is correct
99 Correct 255 ms 337016 KB Output is correct
100 Correct 258 ms 337000 KB Output is correct
101 Correct 266 ms 337656 KB Output is correct
102 Correct 268 ms 337656 KB Output is correct
103 Correct 401 ms 343804 KB Output is correct
104 Correct 331 ms 343928 KB Output is correct
105 Correct 366 ms 343800 KB Output is correct
106 Correct 375 ms 343928 KB Output is correct
107 Correct 358 ms 343800 KB Output is correct
108 Correct 325 ms 343928 KB Output is correct
109 Correct 348 ms 344312 KB Output is correct
110 Correct 347 ms 344312 KB Output is correct
111 Correct 374 ms 343800 KB Output is correct
112 Correct 396 ms 343928 KB Output is correct
113 Correct 378 ms 343800 KB Output is correct
114 Correct 379 ms 343928 KB Output is correct
115 Correct 371 ms 343800 KB Output is correct