oj.uz

답안 #239628

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
239628 2020-06-16T22:00:03 Z ant101 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 690 ms 153464 KB 
#include <iostream>
#include <algorithm>
#include <cstring>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <vector>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <map>
#include <stack>
#include <queue>
#include <assert.h>
#include <limits>
#include <cstdio>
#include <shoes.h>
using namespace std;

//#define RDEBUG 1
#ifdef RDEBUG
#define D(x) x
#else
#define D(x)
#endif
#define inf 0x7fffffff
#define MOD 1000000007

typedef long long ll;


ll add(ll a, ll b) {
    a += b;
    if(a >= MOD) {
        a -= MOD;
    }
    return a;
}
ll sub(ll a, ll b) {
    a -= b;
    if(a < 0) {
        a += MOD;
    }
    return a;
}

ll mul(ll a, ll b) {
    return (a * b)%MOD;
}

void add_self(ll& a, ll b) {
    a = add(a, b);
}
void sub_self(ll& a, ll b) {
    a = sub(a, b);
}
void mul_self(ll& a, ll b) {
    a = mul(a, b);
}


const ll MAXN = 200010;

ll tree[MAXN];
ll N;

void update(ll ind, ll num) {
    while (ind<=MAXN) {
        tree[ind]+=num;
        ind+=(ind&-ind);
    }
}

ll getsum(ll ind) {
    ll sum = 0;
    while (ind) {
        sum+=tree[ind];
        ind-=(ind&-ind);
    }
    return sum;
}

map<ll, queue<ll>> closest;
ll closestind[MAXN];
ll vis[MAXN];
ll S[MAXN];

long long count_swaps(std::vector<int> s) {
    N = s.size();
    for (ll i = 0; i<s.size(); i++) S[i+1] = s[i];
    for (ll i = 1; i<=N; i++) {
        if (closest.find(S[i]) == closest.end()) {
            queue<ll> q1;
            closest[S[i]] = q1;
        }
        if (closest.find(-S[i]) != closest.end() && closest[-S[i]].size() > 0) {
            closestind[closest[-S[i]].front()] = i;
            closest[-S[i]].pop();
        } else {
            closest[S[i]].push(i);
        }
    }
    ll ans = 0;
    for (ll i = 1; i<=N; i++) {
        if (!vis[i]) {
            ans+=closestind[i]-i-1-(getsum(closestind[i])-getsum(i))+(S[i] > 0);
            update(closestind[i], 1);
            vis[closestind[i]] = 1;
        }
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:90:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (ll i = 0; i<s.size(); i++) S[i+1] = s[i];
                    ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 9 ms 1280 KB Output is correct
21 Correct 9 ms 1280 KB Output is correct
22 Correct 49 ms 9464 KB Output is correct
23 Correct 54 ms 9464 KB Output is correct
24 Correct 51 ms 9468 KB Output is correct
25 Correct 50 ms 7672 KB Output is correct
26 Correct 51 ms 9464 KB Output is correct
27 Correct 47 ms 9208 KB Output is correct
28 Correct 46 ms 7928 KB Output is correct
29 Correct 58 ms 7928 KB Output is correct
30 Correct 51 ms 7928 KB Output is correct
31 Correct 57 ms 9464 KB Output is correct
32 Correct 46 ms 7928 KB Output is correct
33 Correct 50 ms 7672 KB Output is correct
34 Correct 55 ms 7928 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 55 ms 7928 KB Output is correct
38 Correct 47 ms 7928 KB Output is correct
39 Correct 48 ms 7928 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 537 ms 149880 KB Output is correct
6 Correct 174 ms 18424 KB Output is correct
7 Correct 616 ms 149880 KB Output is correct
8 Correct 45 ms 6648 KB Output is correct
9 Correct 538 ms 149944 KB Output is correct
10 Correct 406 ms 78064 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 4 ms 384 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 5 ms 640 KB Output is correct
41 Correct 7 ms 1920 KB Output is correct
42 Correct 7 ms 1920 KB Output is correct
43 Correct 7 ms 1664 KB Output is correct
44 Correct 7 ms 1536 KB Output is correct
45 Correct 7 ms 1408 KB Output is correct
46 Correct 6 ms 1280 KB Output is correct
47 Correct 6 ms 1024 KB Output is correct
48 Correct 6 ms 896 KB Output is correct
49 Correct 6 ms 768 KB Output is correct
50 Correct 6 ms 384 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 8 ms 1920 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 4 ms 384 KB Output is correct
36 Correct 4 ms 384 KB Output is correct
37 Correct 4 ms 384 KB Output is correct
38 Correct 4 ms 384 KB Output is correct
39 Correct 4 ms 384 KB Output is correct
40 Correct 4 ms 384 KB Output is correct
41 Correct 4 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 4 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 4 ms 384 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 384 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 9 ms 1280 KB Output is correct
55 Correct 9 ms 1280 KB Output is correct
56 Correct 49 ms 9464 KB Output is correct
57 Correct 54 ms 9464 KB Output is correct
58 Correct 51 ms 9468 KB Output is correct
59 Correct 50 ms 7672 KB Output is correct
60 Correct 51 ms 9464 KB Output is correct
61 Correct 47 ms 9208 KB Output is correct
62 Correct 46 ms 7928 KB Output is correct
63 Correct 58 ms 7928 KB Output is correct
64 Correct 51 ms 7928 KB Output is correct
65 Correct 57 ms 9464 KB Output is correct
66 Correct 46 ms 7928 KB Output is correct
67 Correct 50 ms 7672 KB Output is correct
68 Correct 55 ms 7928 KB Output is correct
69 Correct 5 ms 384 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 55 ms 7928 KB Output is correct
72 Correct 47 ms 7928 KB Output is correct
73 Correct 48 ms 7928 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 5 ms 384 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 537 ms 149880 KB Output is correct
79 Correct 174 ms 18424 KB Output is correct
80 Correct 616 ms 149880 KB Output is correct
81 Correct 45 ms 6648 KB Output is correct
82 Correct 538 ms 149944 KB Output is correct
83 Correct 406 ms 78064 KB Output is correct
84 Correct 4 ms 384 KB Output is correct
85 Correct 5 ms 512 KB Output is correct
86 Correct 5 ms 512 KB Output is correct
87 Correct 5 ms 640 KB Output is correct
88 Correct 7 ms 1920 KB Output is correct
89 Correct 7 ms 1920 KB Output is correct
90 Correct 7 ms 1664 KB Output is correct
91 Correct 7 ms 1536 KB Output is correct
92 Correct 7 ms 1408 KB Output is correct
93 Correct 6 ms 1280 KB Output is correct
94 Correct 6 ms 1024 KB Output is correct
95 Correct 6 ms 896 KB Output is correct
96 Correct 6 ms 768 KB Output is correct
97 Correct 6 ms 384 KB Output is correct
98 Correct 5 ms 512 KB Output is correct
99 Correct 8 ms 1920 KB Output is correct
100 Correct 7 ms 1920 KB Output is correct
101 Correct 49 ms 14328 KB Output is correct
102 Correct 25 ms 4096 KB Output is correct
103 Correct 690 ms 153464 KB Output is correct
104 Correct 480 ms 153464 KB Output is correct
105 Correct 524 ms 91460 KB Output is correct
106 Correct 566 ms 151056 KB Output is correct
107 Correct 218 ms 25464 KB Output is correct
108 Correct 251 ms 41464 KB Output is correct
109 Correct 52 ms 7928 KB Output is correct
110 Correct 42 ms 7928 KB Output is correct
111 Correct 548 ms 135032 KB Output is correct
112 Correct 606 ms 121512 KB Output is correct
113 Correct 234 ms 24824 KB Output is correct
114 Correct 564 ms 151160 KB Output is correct
115 Correct 548 ms 151160 KB Output is correct