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Submission #986861

# Submission time Handle Problem Language Result Execution time Memory
986861 2024-05-21T12:40:02 Z emad234 Wall (IOI14_wall) C++17
100 / 100
 482 ms 176620 KB 
#pragma once
#include "bits/stdc++.h"
#define F first
#define S second
#define ll long long
#define pii pair<int,int>
const int mxN = (1 << 22);
const int mod = 1e9 + 7;
const int inf = INT_MAX;
using namespace std;
struct event{
    int ty,op,id,val;
};
vector<event>q[mxN];
pii seg[mxN];
int N,s,e;
pii combine(pii a,pii b){
    pii c = a;
    c.F = min(c.F,b.S);
    c.F = max(c.F,b.F);
    c.S = min(a.S,b.S);
    return c;
}
void update(int ind,pii val){
    ind += N;
    seg[ind] = val;
    while(ind /= 2) seg[ind] = combine(seg[ind * 2],seg[ind * 2 + 1]);
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    // N = exp2(ceil(log2(n)));
    N = 1 << 20;
    for(int i = 1;i < N * 2;i++){
        seg[i] = {0,inf};
    }
    for(int i = 0;i < k;i++){
        q[left[i]].push_back({1,op[i],i,height[i]});
        q[right[i] + 1].push_back({-1,op[i],i,height[i]});
    }
    for(int i = 0;i < n;i++){
        while(q[i].size()){
            auto u = q[i].back();
            q[i].pop_back();
            if(u.ty == -1){
                update(u.id,{0,inf});
            }else{
                if(u.op == 1) update(u.id,{u.val,inf});
                else update(u.id, {0,u.val});
            }
        }
        finalHeight[i] = seg[1].F;
    }
}

Compilation message

wall.cpp:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 117044 KB Output is correct
2 Correct 56 ms 117584 KB Output is correct
3 Correct 55 ms 117336 KB Output is correct
4 Correct 56 ms 117588 KB Output is correct
5 Correct 60 ms 117840 KB Output is correct
6 Correct 58 ms 117736 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 117072 KB Output is correct
2 Correct 213 ms 143776 KB Output is correct
3 Correct 159 ms 132148 KB Output is correct
4 Correct 378 ms 156320 KB Output is correct
5 Correct 273 ms 153432 KB Output is correct
6 Correct 292 ms 151724 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 116964 KB Output is correct
2 Correct 55 ms 117504 KB Output is correct
3 Correct 54 ms 117328 KB Output is correct
4 Correct 56 ms 117584 KB Output is correct
5 Correct 56 ms 117716 KB Output is correct
6 Correct 56 ms 117548 KB Output is correct
7 Correct 61 ms 117072 KB Output is correct
8 Correct 211 ms 143784 KB Output is correct
9 Correct 155 ms 132692 KB Output is correct
10 Correct 401 ms 156524 KB Output is correct
11 Correct 275 ms 153584 KB Output is correct
12 Correct 262 ms 151572 KB Output is correct
13 Correct 52 ms 117072 KB Output is correct
14 Correct 241 ms 144068 KB Output is correct
15 Correct 70 ms 119892 KB Output is correct
16 Correct 377 ms 156740 KB Output is correct
17 Correct 265 ms 151828 KB Output is correct
18 Correct 265 ms 151064 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 117076 KB Output is correct
2 Correct 54 ms 117588 KB Output is correct
3 Correct 54 ms 117184 KB Output is correct
4 Correct 55 ms 117588 KB Output is correct
5 Correct 55 ms 117508 KB Output is correct
6 Correct 56 ms 117560 KB Output is correct
7 Correct 53 ms 117076 KB Output is correct
8 Correct 223 ms 143780 KB Output is correct
9 Correct 155 ms 132680 KB Output is correct
10 Correct 379 ms 156504 KB Output is correct
11 Correct 274 ms 153444 KB Output is correct
12 Correct 261 ms 151632 KB Output is correct
13 Correct 53 ms 117072 KB Output is correct
14 Correct 267 ms 143780 KB Output is correct
15 Correct 70 ms 119904 KB Output is correct
16 Correct 383 ms 156752 KB Output is correct
17 Correct 298 ms 152024 KB Output is correct
18 Correct 275 ms 150980 KB Output is correct
19 Correct 448 ms 176532 KB Output is correct
20 Correct 439 ms 173928 KB Output is correct
21 Correct 482 ms 176596 KB Output is correct
22 Correct 445 ms 174172 KB Output is correct
23 Correct 440 ms 174044 KB Output is correct
24 Correct 432 ms 173984 KB Output is correct
25 Correct 431 ms 173932 KB Output is correct
26 Correct 434 ms 176620 KB Output is correct
27 Correct 448 ms 176388 KB Output is correct
28 Correct 429 ms 174032 KB Output is correct
29 Correct 429 ms 173904 KB Output is correct
30 Correct 466 ms 173952 KB Output is correct