| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 23221 |
2017-05-05T06:52:44 Z |
RockyB |
Wall (IOI14_wall) |
C++14 |
|
943 ms |
154772 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
#include "wall.h"
#define f first
#define s second
#define pb push_back
#define pp pop_back
#define mp make_pair
#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()
#define rep(i, l, r) for (int i = l; i <= r; i++)
#define per(i, l, r) for (int i = l; i >= r; i--)
#define dbg(x) cerr << (#x) << " --> " << (x) << nl;
#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define nl '\n'
#define ioi exit(0);
#define Toktama ""
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef tree < pair <int, int>, null_type, less < pair <int, int> >, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int N = 1e6 + 7, inf = 1e9 + 7, mod = 1e9 + 7;
const ll linf = (ll)1e18 + 7;
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
int n, k;
int type[N], l[N], r[N], x[N], ans[N];
pair <int, int> t[N << 2];
struct node {
int x, id;
node() {}
node(int x, int id) : x(x), id(id) {}
};
struct _upd {
node u[3];
_upd() {
u[1] = node(-inf, -1);
u[2] = node(inf, -1);
}
} u[N << 2];
pair <int, int> combo(pair <int, int> l, pair <int, int> r) {
return {min(l.f, r.f), max(l.s, r.s)};
}
void push(int v, int tl, int tr, int deep = 0) {
bool ok = 0;
if (u[v].u[2].id == 4 && tl == 4 && tr == 6) ok = 1;
if (u[v].u[1].id != -1 && u[v].u[2].id != -1) {
if (u[v].u[1].id > u[v].u[2].id) {
int x = u[v].u[2].x;
t[v + v].s = min(t[v + v].s, x);
t[v + v].f = min(t[v + v].f, t[v + v].s);
t[v + v + 1].s = min(t[v + v + 1].s, x);
t[v + v + 1].f = min(t[v + v + 1].f, t[v + v + 1].s);
x = u[v].u[1].x;
t[v + v].f = max(t[v + v].f, x);
t[v + v].s = max(t[v + v].s, t[v + v].f);
t[v + v + 1].f = max(t[v + v + 1].f, x);
t[v + v + 1].s = max(t[v + v + 1].s, t[v + v + 1].f);
}
else {
int x = u[v].u[1].x;
t[v + v].f = max(t[v + v].f, x);
t[v + v].s = max(t[v + v].s, t[v + v].f);
t[v + v + 1].f = max(t[v + v + 1].f, x);
t[v + v + 1].s = max(t[v + v + 1].s, t[v + v + 1].f);
x = u[v].u[2].x;
t[v + v].s = min(t[v + v].s, x);
t[v + v].f = min(t[v + v].f, t[v + v].s);
t[v + v + 1].s = min(t[v + v + 1].s, x);
t[v + v + 1].f = min(t[v + v + 1].f, t[v + v + 1].s);
}
//if (ok) cout << u[v].u[2].x << ' ' << u[v + v].u[2].x << nl;
if (u[v + v].u[1].x <= u[v].u[1].x) u[v + v].u[1] = u[v].u[1];
if (u[v + v].u[2].x >= u[v].u[2].x) u[v + v].u[2] = u[v].u[2];
if (u[v + v + 1].u[1].x <= u[v].u[1].x) u[v + v + 1].u[1] = u[v].u[1];
if (u[v + v + 1].u[2].x >= u[v].u[2].x) u[v + v + 1].u[2] = u[v].u[2];
/*
{
u[v + v].u[1] = u[v].u[1];
u[v + v].u[2] = u[v].u[2];
u[v + v + 1].u[1] = u[v].u[1];
u[v + v + 1].u[2] = u[v].u[2];
}*/
u[v] = _upd();
}
else if (u[v].u[1].id != -1) {
int x = u[v].u[1].x;
t[v + v].f = max(t[v + v].f, x);
t[v + v].s = max(t[v + v].s, t[v + v].f);
t[v + v + 1].f = max(t[v + v + 1].f, x);
t[v + v + 1].s = max(t[v + v + 1].s, t[v + v + 1].f);
if (u[v + v].u[1].x <= u[v].u[1].x) u[v + v].u[1] = u[v].u[1];
if (u[v + v + 1].u[1].x <= u[v].u[1].x) u[v + v + 1].u[1] = u[v].u[1];
/*
{
u[v + v].u[1] = u[v].u[1];
u[v + v + 1].u[1] = u[v].u[1];
}*/
u[v] = _upd();
}
else if (u[v].u[2].id != -1) {
int x = u[v].u[2].x;
t[v + v].s = min(t[v + v].s, x);
t[v + v].f = min(t[v + v].f, t[v + v].s);
t[v + v + 1].s = min(t[v + v + 1].s, x);
t[v + v + 1].f = min(t[v + v + 1].f, t[v + v + 1].s);
if (u[v + v].u[2].x >= u[v].u[2].x) u[v + v].u[2] = u[v].u[2];
if (u[v + v + 1].u[2].x >= u[v].u[2].x) u[v + v + 1].u[2] = u[v].u[2];
/*
{
u[v + v].u[2] = u[v].u[2];
u[v + v + 1].u[2] = u[v].u[2];
}*/
u[v] = _upd();
}
}
void upd(int l, int r, int type, int x, int id, int v, int tl, int tr) {
if (l <= tl && tr <= r) {
if (type == 1) {
t[v].f = max(t[v].f, x);
t[v].s = max(t[v].s, t[v].f);
if (u[v].u[1].x <= x) u[v].u[1] = node(x, id), u[v].u[2] = node(inf, -1);
}
else {
t[v].s = min(t[v].s, x);
t[v].f = min(t[v].f, t[v].s);
if (u[v].u[2].x >= x) u[v].u[2] = node(x, id), u[v].u[1] = node(-inf, -1);
}
return;
}
if (tl > r || tr < l) return;
int tm = tl + tr >> 1;
push(v, tl, tr);
upd(l, r, type, x, id, v + v, tl, tm);
upd(l, r, type, x, id, v + v + 1, tm + 1, tr);
t[v] = combo(t[v + v], t[v + v + 1]);
}
pair <int, int> get(int l, int r, int v, int tl, int tr) {
if (l <= tl && tr <= r) return t[v];
if (tl > r || tr < l) return {inf, -inf};
int tm = tl + tr >> 1;
push(v, tl, tr);
return combo(get(l, r, v + v, tl, tm), get(l, r, v + v + 1, tm + 1, tr));
}
void bye(int v, int tl, int tr) {
//cout << tl << ' ' << tr << ' ' << u[v].u[1].x << ' ' << u[v].u[2].x << nl;
if (tl == tr) {
return;
}
int tm = tl + tr >> 1;
bye(v + v, tl, tm);
bye(v + v + 1, tm + 1, tr);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]) {
rep(i, 0, k - 1) {
upd(left[i], right[i], op[i], height[i], i, 1, 0, n - 1);
//if (i == 4) break;
}
// cout << get(2, 3, 1, 0, n - 1).s << nl;
// ioi
rep(i, 0, n - 1)
finalHeight[i] = get(i, i, 1, 0, n - 1).f;
}
/*
int main() {
#ifndef Toktama
freopen (Toktama".in", "r", stdin);
freopen (Toktama".out", "w", stdout);
#endif
freopen (".in", "r", stdin);
//freopen ("gen.in", "r", stdin);
//freopen ("a.out", "w", stdout);
scanf ("%d%d", &n, &k);
rep(i, 0, k - 1)
scanf ("%d%d%d%d", &type[i], &l[i], &r[i], &x[i]);
buildWall(n, k, type, l, r, x, ans);
rep(i, 0, n - 1)
printf ("%d ", ans[i]);
{
cout << nl;
//bye(1, 0, n - 1);
}
ioi
}
*/
Compilation message
wall.cpp: In function 'void push(int, int, int, int)':
wall.cpp:64:8: warning: variable 'ok' set but not used [-Wunused-but-set-variable]
bool ok = 0;
^
wall.cpp: In function 'void upd(int, int, int, int, int, int, int, int)':
wall.cpp:159:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int tm = tl + tr >> 1;
^
wall.cpp: In function 'std::pair<int, int> get(int, int, int, int, int)':
wall.cpp:168:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int tm = tl + tr >> 1;
^
wall.cpp: In function 'void bye(int, int, int)':
wall.cpp:179:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int tm = tl + tr >> 1;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
146556 KB |
Output is correct |
| 2 |
Correct |
16 ms |
146692 KB |
Output is correct |
| 3 |
Incorrect |
19 ms |
146556 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
146556 KB |
Output is correct |
| 2 |
Correct |
183 ms |
154380 KB |
Output is correct |
| 3 |
Correct |
313 ms |
149952 KB |
Output is correct |
| 4 |
Incorrect |
943 ms |
154772 KB |
Output isn't correct |
| 5 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
146556 KB |
Output is correct |
| 2 |
Correct |
13 ms |
146692 KB |
Output is correct |
| 3 |
Incorrect |
19 ms |
146556 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
146556 KB |
Output is correct |
| 2 |
Correct |
13 ms |
146692 KB |
Output is correct |
| 3 |
Incorrect |
19 ms |
146556 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
