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답안 #752978

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
752978 2023-06-04T11:33:54 Z Rafi22 자리 배치 (IOI18_seats) C++14
100 / 100
 3184 ms 118800 KB 
#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

vector<int>A[1000007];

const int pot=1<<20;

int seg[2*pot+7];
int lzy[2*pot+7];
int ile[2*pot+7];

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

void ins(int v,int a,int b,int l,int r,int x)
{
    if(a<=l&&b>=r)
    {
        seg[v]+=x;
        lzy[v]+=x;
        return ;
    }
    if(r<a||l>b) return ;
    push(v);
    ins(2*v,a,b,l,(l+r)/2,x);
    ins(2*v+1,a,b,(l+r)/2+1,r,x);
    seg[v]=min(seg[2*v],seg[2*v+1]);
    ile[v]=0;
    if(seg[v]==seg[2*v]) ile[v]+=ile[2*v];
    if(seg[v]==seg[2*v+1]) ile[v]+=ile[2*v+1];
}

void upd(int i,int j,int x)
{
    vector<int>V={A[i][j],A[i+1][j],A[i][j+1],A[i+1][j+1]};
    sort(all(V));
    ins(1,V[0],V[1]-1,1,pot,x);
    ins(1,V[2],V[3]-1,1,pot,x);
}

void S(int i,int j,int x)
{
    upd(i-1,j-1,x);
    upd(i,j-1,x);
    upd(i-1,j,x);
    upd(i,j,x);
}

vector<int>x,y;

void give_initial_chart(int h,int w,vector<int>R,vector<int>C)
{
    x=R,y=C;
    for(int i=0;i<=h+1;i++) A[i].resize(w+2,h*w+1);
    for(int i=0;i<h*w;i++) A[x[i]+1][y[i]+1]=i+1;
    for(int i=1;i<=h*w;i++) ile[i+pot-1]=1;
    for(int i=h*w+1;i<=pot;i++) seg[i+pot-1]=inf;
    for(int i=pot-1;i>0;i--)
    {
        seg[i]=min(seg[2*i],seg[2*i+1]);
        ile[i]=ile[2*i]+ile[2*i+1];
    }
    for(int i=0;i<=h;i++) for(int j=0;j<=w;j++) upd(i,j,1);
}

int swap_seats(int a, int b)
{
    S(x[a]+1,y[a]+1,-1);
    S(x[b]+1,y[b]+1,-1);
    swap(A[x[a]+1][y[a]+1],A[x[b]+1][y[b]+1]);
    swap(x[a],x[b]);
    swap(y[a],y[b]);
    S(x[a]+1,y[a]+1,1);
    S(x[b]+1,y[b]+1,1);
    return ile[1];
}

/*int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    give_initial_chart(2, 3, {0, 1, 1, 0, 0, 1}, {0, 0, 1, 1, 2, 2});
    cout<<swap_seats(0, 5)<<endl;
    cout<<swap_seats(0, 5)<<endl;

    return 0;
}*/

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 36384 KB Output is correct
2 Correct 76 ms 36268 KB Output is correct
3 Correct 80 ms 36236 KB Output is correct
4 Correct 72 ms 36300 KB Output is correct
5 Correct 72 ms 36272 KB Output is correct
6 Correct 75 ms 36284 KB Output is correct
7 Correct 80 ms 36300 KB Output is correct
8 Correct 84 ms 36304 KB Output is correct
9 Correct 85 ms 36304 KB Output is correct
10 Correct 82 ms 36352 KB Output is correct
11 Correct 77 ms 36264 KB Output is correct
12 Correct 73 ms 36288 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 36384 KB Output is correct
2 Correct 76 ms 36268 KB Output is correct
3 Correct 80 ms 36236 KB Output is correct
4 Correct 72 ms 36300 KB Output is correct
5 Correct 72 ms 36272 KB Output is correct
6 Correct 75 ms 36284 KB Output is correct
7 Correct 80 ms 36300 KB Output is correct
8 Correct 84 ms 36304 KB Output is correct
9 Correct 85 ms 36304 KB Output is correct
10 Correct 82 ms 36352 KB Output is correct
11 Correct 77 ms 36264 KB Output is correct
12 Correct 73 ms 36288 KB Output is correct
13 Correct 133 ms 36796 KB Output is correct
14 Correct 119 ms 36768 KB Output is correct
15 Correct 95 ms 36860 KB Output is correct
16 Correct 98 ms 37032 KB Output is correct
17 Correct 114 ms 36760 KB Output is correct
18 Correct 99 ms 36768 KB Output is correct
19 Correct 93 ms 36692 KB Output is correct
20 Correct 85 ms 36820 KB Output is correct
21 Correct 86 ms 36844 KB Output is correct
22 Correct 85 ms 36940 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2061 ms 75584 KB Output is correct
2 Correct 1226 ms 91336 KB Output is correct
3 Correct 1286 ms 91404 KB Output is correct
4 Correct 1072 ms 91280 KB Output is correct
5 Correct 990 ms 91320 KB Output is correct
6 Correct 1052 ms 91192 KB Output is correct
7 Correct 1097 ms 91312 KB Output is correct
8 Correct 1235 ms 91312 KB Output is correct
9 Correct 1217 ms 91308 KB Output is correct
10 Correct 1229 ms 91320 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 104 ms 36768 KB Output is correct
2 Correct 202 ms 39952 KB Output is correct
3 Correct 1004 ms 91200 KB Output is correct
4 Correct 2029 ms 91316 KB Output is correct
5 Correct 1278 ms 99328 KB Output is correct
6 Correct 2253 ms 118800 KB Output is correct
7 Correct 1161 ms 93956 KB Output is correct
8 Correct 1115 ms 91392 KB Output is correct
9 Correct 1052 ms 91456 KB Output is correct
10 Correct 1129 ms 93632 KB Output is correct
11 Correct 1139 ms 103112 KB Output is correct

Subtask #5
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 515 ms 37384 KB Output is correct
2 Correct 499 ms 37832 KB Output is correct
3 Correct 512 ms 37892 KB Output is correct
4 Correct 532 ms 37880 KB Output is correct
5 Correct 593 ms 38360 KB Output is correct
6 Correct 1904 ms 100204 KB Output is correct
7 Correct 2041 ms 100172 KB Output is correct
8 Correct 1817 ms 100248 KB Output is correct
9 Correct 2917 ms 100084 KB Output is correct
10 Correct 1839 ms 100100 KB Output is correct
11 Correct 1776 ms 100368 KB Output is correct
12 Correct 1761 ms 100348 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 36384 KB Output is correct
2 Correct 76 ms 36268 KB Output is correct
3 Correct 80 ms 36236 KB Output is correct
4 Correct 72 ms 36300 KB Output is correct
5 Correct 72 ms 36272 KB Output is correct
6 Correct 75 ms 36284 KB Output is correct
7 Correct 80 ms 36300 KB Output is correct
8 Correct 84 ms 36304 KB Output is correct
9 Correct 85 ms 36304 KB Output is correct
10 Correct 82 ms 36352 KB Output is correct
11 Correct 77 ms 36264 KB Output is correct
12 Correct 73 ms 36288 KB Output is correct
13 Correct 133 ms 36796 KB Output is correct
14 Correct 119 ms 36768 KB Output is correct
15 Correct 95 ms 36860 KB Output is correct
16 Correct 98 ms 37032 KB Output is correct
17 Correct 114 ms 36760 KB Output is correct
18 Correct 99 ms 36768 KB Output is correct
19 Correct 93 ms 36692 KB Output is correct
20 Correct 85 ms 36820 KB Output is correct
21 Correct 86 ms 36844 KB Output is correct
22 Correct 85 ms 36940 KB Output is correct
23 Correct 2061 ms 75584 KB Output is correct
24 Correct 1226 ms 91336 KB Output is correct
25 Correct 1286 ms 91404 KB Output is correct
26 Correct 1072 ms 91280 KB Output is correct
27 Correct 990 ms 91320 KB Output is correct
28 Correct 1052 ms 91192 KB Output is correct
29 Correct 1097 ms 91312 KB Output is correct
30 Correct 1235 ms 91312 KB Output is correct
31 Correct 1217 ms 91308 KB Output is correct
32 Correct 1229 ms 91320 KB Output is correct
33 Correct 104 ms 36768 KB Output is correct
34 Correct 202 ms 39952 KB Output is correct
35 Correct 1004 ms 91200 KB Output is correct
36 Correct 2029 ms 91316 KB Output is correct
37 Correct 1278 ms 99328 KB Output is correct
38 Correct 2253 ms 118800 KB Output is correct
39 Correct 1161 ms 93956 KB Output is correct
40 Correct 1115 ms 91392 KB Output is correct
41 Correct 1052 ms 91456 KB Output is correct
42 Correct 1129 ms 93632 KB Output is correct
43 Correct 1139 ms 103112 KB Output is correct
44 Correct 515 ms 37384 KB Output is correct
45 Correct 499 ms 37832 KB Output is correct
46 Correct 512 ms 37892 KB Output is correct
47 Correct 532 ms 37880 KB Output is correct
48 Correct 593 ms 38360 KB Output is correct
49 Correct 1904 ms 100204 KB Output is correct
50 Correct 2041 ms 100172 KB Output is correct
51 Correct 1817 ms 100248 KB Output is correct
52 Correct 2917 ms 100084 KB Output is correct
53 Correct 1839 ms 100100 KB Output is correct
54 Correct 1776 ms 100368 KB Output is correct
55 Correct 1761 ms 100348 KB Output is correct
56 Correct 526 ms 37756 KB Output is correct
57 Correct 624 ms 37812 KB Output is correct
58 Correct 666 ms 38360 KB Output is correct
59 Correct 1798 ms 92300 KB Output is correct
60 Correct 2951 ms 92416 KB Output is correct
61 Correct 1651 ms 92508 KB Output is correct
62 Correct 1700 ms 96272 KB Output is correct
63 Correct 3184 ms 94860 KB Output is correct
64 Correct 1958 ms 93076 KB Output is correct
65 Correct 1714 ms 92492 KB Output is correct
66 Correct 1903 ms 92680 KB Output is correct
67 Correct 1946 ms 94660 KB Output is correct
68 Correct 1784 ms 98792 KB Output is correct
69 Correct 3021 ms 104064 KB Output is correct