oj.uz

Submission #620891

# Submission time Handle Problem Language Result Execution time Memory
620891 2022-08-03T10:07:12 Z balbit Wall (IOI14_wall) C++14
100 / 100
 756 ms 124424 KB 
#include "wall.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<ll, ll>
#define f first
#define s second

#define FOR(i,a,b) for (int i = a; i<b; ++i)
#define REP(i,n) FOR(i,0,n)
#define REP1(i,n) FOR(i,1,n+1)

#define MX(a,b) a = max(a,b)
#define MN(a,b) a = min(a,b)

#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(), (x).end()
#define pb push_back

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<": "<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S && ...y) {cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif

const ll inf = 0x3f3f3f3f3f3f3f3f;
const int iinf = 0x3f3f3f3f;
const int maxn = 5e5+5;

struct rng{
    int l,r;
    inline int eval(int x) {
        return x<l?l:(x>r?r:x);
    }
    rng(){
        l=0,r=100000;
    }
    rng(int a, int b):l(a),r(b){}
};

inline rng mrg(rng a, rng b) {
    return {b.eval(a.l), b.eval(a.r)};
}

rng seg[maxn*4];

void MO(int p, rng to, int o=1, int l=0, int r=maxn-1) {
    if (l > p || r < p) return;
    if (l==r) {
        seg[o] = to; return;
    }
    int mid = (l+r)/2;
    MO(p,to,o*2,l,mid); MO(p,to,o*2+1,mid+1,r);
    seg[o] = mrg(seg[o*2], seg[o*2+1]);
}

vector<pair<int, rng> > work[maxn*4]; //what to do at these positions

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    REP(i,k) {
        rng bro = op[i]==1?rng{height[i],100000} : rng{0,height[i]};
        work[left[i]].pb({i, bro});
        work[right[i]+1].pb({i, rng()});
    }

    REP(i,n) {
        for (auto &e : work[i]) {
            MO(e.f, e.s);
        }
        bug(i, seg[1].l, seg[1].r);
        finalHeight[i] = seg[1].l;
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 62804 KB Output is correct
2 Correct 52 ms 63196 KB Output is correct
3 Correct 31 ms 62996 KB Output is correct
4 Correct 35 ms 63308 KB Output is correct
5 Correct 33 ms 63308 KB Output is correct
6 Correct 33 ms 63276 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 62860 KB Output is correct
2 Correct 312 ms 82632 KB Output is correct
3 Correct 273 ms 73980 KB Output is correct
4 Correct 649 ms 91232 KB Output is correct
5 Correct 451 ms 88900 KB Output is correct
6 Correct 412 ms 88116 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 62928 KB Output is correct
2 Correct 35 ms 63188 KB Output is correct
3 Correct 32 ms 62940 KB Output is correct
4 Correct 37 ms 63276 KB Output is correct
5 Correct 35 ms 63316 KB Output is correct
6 Correct 35 ms 63276 KB Output is correct
7 Correct 31 ms 62820 KB Output is correct
8 Correct 298 ms 82728 KB Output is correct
9 Correct 296 ms 74040 KB Output is correct
10 Correct 630 ms 91296 KB Output is correct
11 Correct 403 ms 89020 KB Output is correct
12 Correct 375 ms 88096 KB Output is correct
13 Correct 33 ms 62796 KB Output is correct
14 Correct 320 ms 82628 KB Output is correct
15 Correct 82 ms 64716 KB Output is correct
16 Correct 739 ms 91540 KB Output is correct
17 Correct 439 ms 87800 KB Output is correct
18 Correct 487 ms 87284 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 62832 KB Output is correct
2 Correct 33 ms 63180 KB Output is correct
3 Correct 38 ms 62932 KB Output is correct
4 Correct 51 ms 63308 KB Output is correct
5 Correct 50 ms 63308 KB Output is correct
6 Correct 37 ms 63256 KB Output is correct
7 Correct 33 ms 62796 KB Output is correct
8 Correct 280 ms 82628 KB Output is correct
9 Correct 271 ms 74040 KB Output is correct
10 Correct 751 ms 91184 KB Output is correct
11 Correct 452 ms 89020 KB Output is correct
12 Correct 448 ms 88096 KB Output is correct
13 Correct 41 ms 62904 KB Output is correct
14 Correct 360 ms 82632 KB Output is correct
15 Correct 86 ms 64708 KB Output is correct
16 Correct 737 ms 91376 KB Output is correct
17 Correct 454 ms 87888 KB Output is correct
18 Correct 494 ms 87272 KB Output is correct
19 Correct 705 ms 113912 KB Output is correct
20 Correct 734 ms 121812 KB Output is correct
21 Correct 756 ms 124424 KB Output is correct
22 Correct 637 ms 121884 KB Output is correct
23 Correct 673 ms 121980 KB Output is correct
24 Correct 630 ms 121832 KB Output is correct
25 Correct 608 ms 121840 KB Output is correct
26 Correct 638 ms 124372 KB Output is correct
27 Correct 653 ms 124412 KB Output is correct
28 Correct 656 ms 121772 KB Output is correct
29 Correct 638 ms 121824 KB Output is correct
30 Correct 680 ms 121764 KB Output is correct