# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
98770 |
2019-02-25T19:24:59 Z |
JustasZ |
Wall (IOI14_wall) |
C++14 |
|
510 ms |
17420 KB |
#include "wall.h"
#include <bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define all(a) a.begin(), a.end()
#define sz(a) (int)a.size()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int>pii;
const int maxn = 1e5 + 100;
const int mod = 1e9 + 7;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
int n, k, done[maxn * 4], seg[maxn * 4];
pii lazy[maxn * 4];
void upd(int id, pii val)
{
bool need = false;
if(lazy[id].x == +1 && val.x == +1 && val.y > lazy[id].y) need = true;
if(lazy[id].x == -1 && val.x == -1 && val.y < lazy[id].y) need = true;
if(lazy[id].x != val.x) need = true;
if(!need) return;
if(val.x == -1) seg[id] = min(seg[id], val.y);
else seg[id] = max(seg[id], val.y);
lazy[id] = val;
done[id] = 0;
}
void shift(int id)
{
if(!done[id])
{
upd(id * 2, lazy[id]);
upd(id * 2 + 1, lazy[id]);
done[id] = 1;
}
}
void modify(int x, int y, pii val, int id = 1, int l = 0, int r = n - 1)
{
if(l > y || r < x) return;
if(l >= x && r <= y)
{
upd(id, val);
return;
}
shift(id);
int mid = (l + r) / 2;
modify(x, y, val, id * 2, l, mid);
modify(x, y, val, id * 2 + 1, mid + 1, r);
}
vector<int>res;
void get(int id = 1, int l = 0, int r = n - 1)
{
if(l == r)
{
res.pb(seg[id]);
return;
}
shift(id);
int mid = (l + r) / 2;
get(id * 2, l, mid);
get(id * 2 + 1, mid + 1, r);
}
void buildWall(int N, int K, int op[], int left[], int right[], int height[], int finalHeight[])
{
for(int i = 0; i < maxn * 4; i++) done[i] = 1;
n = N, k = K;
for(int i = 0; i < k; i++)
{
if(op[i] == 2) op[i] = -1;
modify(left[i], right[i], pii(op[i], height[i]));
}
get();
for(int i = 0; i < n; i++)
finalHeight[i] = res[i];
/*for(int i = 0; i < n; i++)
cout << res[i] << " ";
cout << endl;*/
}
/*int main()
{
ios_base::sync_with_stdio(false), cin.tie(0);
int op[] = {1, 2, 2, 1, 1, 2};
int left[] = {1, 4, 3, 0, 2, 6};
int right[] = {8, 9, 6, 5, 2, 7};
int height[] = {4, 1, 5, 3, 5, 0};
int finalHeight[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
buildWall(10, 6, op, left, right, height, finalHeight);
return 0;
}*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
1920 KB |
Output is correct |
2 |
Correct |
5 ms |
2048 KB |
Output is correct |
3 |
Incorrect |
5 ms |
1920 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
1920 KB |
Output is correct |
2 |
Correct |
160 ms |
13176 KB |
Output is correct |
3 |
Correct |
143 ms |
9720 KB |
Output is correct |
4 |
Incorrect |
510 ms |
17420 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
1920 KB |
Output is correct |
2 |
Correct |
5 ms |
2048 KB |
Output is correct |
3 |
Incorrect |
5 ms |
1920 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
1920 KB |
Output is correct |
2 |
Correct |
6 ms |
2020 KB |
Output is correct |
3 |
Incorrect |
5 ms |
2020 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |