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Submission #565384

# Submission time Handle Problem Language Result Execution time Memory
565384 2022-05-20T20:28:35 Z n0sk1ll Wall (IOI14_wall) C++14
100 / 100
 786 ms 118828 KB 
#include "wall.h"
#include <bits/stdc++.h>

#define ff(i,a,b) for (int i=a;i<b;i++)
#define bff(i,a,b) for (int i=b-1;i>=a;i--)

using namespace std;
const int mod=1000000007;

int k=1;
int val[4444444];
int l[4444444],r[4444444];
int minw[4444444],maxw[4444444];

void Build(int n)
{
    while (k<n) k*=2;
    ff(i,0,k) l[i+k]=i,r[i+k]=i;
    bff(i,1,k) l[i]=l[2*i],r[i]=r[2*i+1];
    ff(i,1,2*k) minw[i]=mod,maxw[i]=-mod;
}

void Upd(int p)
{
    val[p]=min(val[p],minw[p]);
    val[p]=max(val[p],maxw[p]);
    if (p<k)
    {
        minw[2*p]=min(minw[2*p],minw[p]);
        minw[2*p+1]=min(minw[2*p+1],minw[p]);
        maxw[2*p]=min(maxw[2*p],minw[p]);
        maxw[2*p+1]=min(maxw[2*p+1],minw[p]);

        minw[2*p]=max(minw[2*p],maxw[p]);
        minw[2*p+1]=max(minw[2*p+1],maxw[p]);
        maxw[2*p]=max(maxw[2*p],maxw[p]);
        maxw[2*p+1]=max(maxw[2*p+1],maxw[p]);
    }
    minw[p]=mod,maxw[p]=-mod;
}

void Minw(int p, int ll, int rr, int x)
{
    if (ll>r[p] || rr<l[p]);
    else if (ll<=l[p] && rr>=r[p]) minw[p]=min(minw[p],x),maxw[p]=min(maxw[p],x),Upd(p);
    else Upd(p),Minw(2*p,ll,rr,x),Minw(2*p+1,ll,rr,x);
}

void Maxw(int p, int ll, int rr, int x)
{
    if (ll>r[p] || rr<l[p]);
    else if (ll<=l[p] && rr>=r[p]) maxw[p]=max(maxw[p],x),minw[p]=max(minw[p],x),Upd(p);
    else Upd(p),Maxw(2*p,ll,rr,x),Maxw(2*p+1,ll,rr,x);
}

void buildWall(int n, int q, int op[], int left[], int right[], int height[], int finalHeight[])
{
    Build(n);
    ff(i,0,q)
    {
        if (op[i]==1) Maxw(1,left[i],right[i],height[i]);
        else Minw(1,left[i],right[i],height[i]);
    }

    ff(i,1,2*k) Upd(i);
    ff(i,0,n) finalHeight[i]=val[i+k];
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 456 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 6 ms 1216 KB Output is correct
5 Correct 6 ms 1148 KB Output is correct
6 Correct 6 ms 1236 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 145 ms 13980 KB Output is correct
3 Correct 192 ms 8760 KB Output is correct
4 Correct 571 ms 23480 KB Output is correct
5 Correct 290 ms 24652 KB Output is correct
6 Correct 304 ms 22996 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 3 ms 452 KB Output is correct
3 Correct 2 ms 372 KB Output is correct
4 Correct 6 ms 1236 KB Output is correct
5 Correct 5 ms 1236 KB Output is correct
6 Correct 5 ms 1100 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 145 ms 13928 KB Output is correct
9 Correct 181 ms 8772 KB Output is correct
10 Correct 589 ms 23484 KB Output is correct
11 Correct 294 ms 24544 KB Output is correct
12 Correct 286 ms 23064 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 157 ms 13984 KB Output is correct
15 Correct 29 ms 2808 KB Output is correct
16 Correct 531 ms 23856 KB Output is correct
17 Correct 293 ms 23164 KB Output is correct
18 Correct 284 ms 23232 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 7 ms 1152 KB Output is correct
5 Correct 5 ms 1236 KB Output is correct
6 Correct 5 ms 1236 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 136 ms 13916 KB Output is correct
9 Correct 189 ms 8756 KB Output is correct
10 Correct 519 ms 23488 KB Output is correct
11 Correct 285 ms 24668 KB Output is correct
12 Correct 315 ms 22972 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 136 ms 14028 KB Output is correct
15 Correct 29 ms 2708 KB Output is correct
16 Correct 588 ms 23740 KB Output is correct
17 Correct 306 ms 23168 KB Output is correct
18 Correct 281 ms 23096 KB Output is correct
19 Correct 765 ms 118812 KB Output is correct
20 Correct 755 ms 116480 KB Output is correct
21 Correct 776 ms 118784 KB Output is correct
22 Correct 754 ms 116504 KB Output is correct
23 Correct 769 ms 116264 KB Output is correct
24 Correct 754 ms 116368 KB Output is correct
25 Correct 768 ms 116452 KB Output is correct
26 Correct 786 ms 118740 KB Output is correct
27 Correct 765 ms 118828 KB Output is correct
28 Correct 741 ms 116248 KB Output is correct
29 Correct 745 ms 116468 KB Output is correct
30 Correct 758 ms 116240 KB Output is correct