Submission #143468

# Submission time Handle Problem Language Result Execution time Memory
143468 2019-08-14T08:18:58 Z mat_v Arranging Shoes (IOI19_shoes) C++14
50 / 100
133 ms 33412 KB
#include "shoes.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#define pb push_back

using namespace std;

int n;
vector<int> tike[100005][2];
int dokle[200005][2];
int seg[500005];
int lazy[500005];
bool bio[200005];
void init(int l, int r, int ind){
    if(l == r){
        seg[ind] = l;
        return;
    }
    int mid = (l + r) / 2;
    init(l, mid, ind * 2);
    init(mid + 1, r, ind * 2 + 1);
    seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
}
void propagate(int l, int r, int ind){
    if(lazy[ind] != 0){
        seg[ind] += (r - l + 1)*lazy[ind];
        int mid = (l + r) / 2;
        if(l < r){
            lazy[ind * 2] += lazy[ind];
            lazy[ind * 2 + 1] += lazy[ind];
        }
        lazy[ind] = 0;
    }
}
int query(int l,int r, int ind, int gde){
    propagate(l,r,ind);
    if(l == r)return seg[ind];
    int mid = (l + r)/2;
    if(gde <= mid)return query(l,mid,ind * 2, gde);
    else return query(mid + 1, r, ind * 2 + 1, gde);
}
void update(int l, int r, int ind, int levo, int desno, int val){
    propagate(l,r,ind);
    if(l >= levo && r <= desno){
        lazy[ind]+=val;
        propagate(l,r,ind);
        return;
    }
    if(desno < l || r < levo)return;
    int mid = (l + r) / 2;
    update(l,mid,ind * 2,levo,desno,val);
    update(mid + 1,r,ind * 2 + 1,levo,desno,val);
    propagate(l,mid,ind*2);
    propagate(mid+1,r,ind*2+1);
    seg[ind] = seg[ind*2] + seg[ind*2+1];
    propagate(l,r,ind);
}
long long count_swaps(std::vector<int> s) {
    n = s.size()/2;
    for(int i=0; i<2*n; i++){
        if(s[i] < 0)tike[abs(s[i])][0].pb(i);
        else tike[s[i]][1].pb(i);
    }
    int l = 0;
    int shift = 0;
    init(0,2*n-1,1);
    long long res = 0;
    for(int i=0; i<n; i++){
        while(bio[l])++l;
        int koji = abs(s[l]);
        int ind;
        if(s[l] < 0)ind = 1;
        else ind = 0;
        int gde = tike[koji][ind][dokle[koji][ind]];
        bio[gde] = 1;
        dokle[koji][ind]++;
        dokle[koji][ind^1]++;
        int pom = query(0,2*n-1,1,gde);
        //cout << pom << " " << gde << endl;
        update(0,2*n-1,1,0,gde,1);
        //bio[l + 1] = 1;
        res += (pom - 2*(i) - 1);
        res += 1-ind;
        //cout << l << " " << pom << " " << gde << endl;
        //cout << l << " " << res << " " << ind<< endl;
        l ++;
       // cout << endl;
        //cout << query(0,2*n-1,1,0) << endl;;
       // return 0;
    }
	return res;
}

Compilation message

shoes.cpp: In function 'void propagate(int, int, int)':
shoes.cpp:28:13: warning: unused variable 'mid' [-Wunused-variable]
         int mid = (l + r) / 2;
             ^~~
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:66:9: warning: unused variable 'shift' [-Wunused-variable]
     int shift = 0;
         ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 5112 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 5112 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4984 KB Output is correct
9 Correct 9 ms 5084 KB Output is correct
10 Correct 6 ms 5112 KB Output is correct
11 Correct 6 ms 4980 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 7 ms 5112 KB Output is correct
19 Correct 7 ms 5112 KB Output is correct
20 Correct 14 ms 5880 KB Output is correct
21 Correct 14 ms 5880 KB Output is correct
22 Incorrect 101 ms 11928 KB Output isn't correct
23 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Runtime error 133 ms 33412 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 5112 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 5112 KB Output is correct
39 Correct 7 ms 5112 KB Output is correct
40 Correct 6 ms 4984 KB Output is correct
41 Correct 8 ms 5112 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 7 ms 5112 KB Output is correct
44 Correct 7 ms 5112 KB Output is correct
45 Correct 7 ms 5112 KB Output is correct
46 Correct 7 ms 5112 KB Output is correct
47 Correct 7 ms 5112 KB Output is correct
48 Correct 7 ms 5112 KB Output is correct
49 Correct 8 ms 5240 KB Output is correct
50 Correct 7 ms 5112 KB Output is correct
51 Correct 7 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 5112 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 4984 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 6 ms 4984 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 5112 KB Output is correct
25 Correct 6 ms 5112 KB Output is correct
26 Correct 6 ms 5112 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4984 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 5112 KB Output is correct
38 Correct 6 ms 5112 KB Output is correct
39 Correct 6 ms 5112 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 6 ms 4984 KB Output is correct
42 Correct 6 ms 4984 KB Output is correct
43 Correct 9 ms 5084 KB Output is correct
44 Correct 6 ms 5112 KB Output is correct
45 Correct 6 ms 4980 KB Output is correct
46 Correct 6 ms 4984 KB Output is correct
47 Correct 7 ms 5112 KB Output is correct
48 Correct 6 ms 4984 KB Output is correct
49 Correct 6 ms 5112 KB Output is correct
50 Correct 7 ms 5112 KB Output is correct
51 Correct 7 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct
53 Correct 7 ms 5112 KB Output is correct
54 Correct 14 ms 5880 KB Output is correct
55 Correct 14 ms 5880 KB Output is correct
56 Incorrect 101 ms 11928 KB Output isn't correct
57 Halted 0 ms 0 KB -