Submission #782705

# Submission time Handle Problem Language Result Execution time Memory
782705 2023-07-14T08:04:46 Z lollipop Wall (IOI14_wall) C++17
100 / 100
1153 ms 198596 KB
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
//#define int long long
#define pb push_back
#define s second
#define f first
#define pf push_front
#define inf 100000000000000000
#define bitebi __builtin_popcountll
#define FOR( i , n ) for( int i = 0 ; i < n ; i ++ )
#define YES cout <<"YES\n"
#define NO cout << "NO\n"
#define debug cout << "Here Fine" << endl ;
#define pr pair < int , int >
#define fbo find_by_order // returns iterator
#define ook order_of_key // returns strictly less numbers than key
using namespace std ;
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const double Pi=acos(-1.0);
const double EPS=1E-8;
const int mod =  1000000007 ;
const int mod1 = 998244353 ;
//const int N = 2e5 + 10 ;
mt19937 R(time(0));
map < int , int > ma , ma1 ;
#include "wall.h"
const int MAXN = 2000001;  // 1-based
int N;
int A[MAXN];
const int intINF=1e6;
struct Node {
	long long sum;   // Sum tag
	int max1;  // Max value
	int max2;  // Second Max value
	int maxc;  // Max value count
	int min1;  // Min value
	int min2;  // Second Min value
	int minc;  // Min value count
	int lazy;  // Lazy tag
} T[MAXN * 4];
 
void merge(int t) {
	// sum
	T[t].sum = T[t << 1].sum + T[t << 1 | 1].sum;
 
	// max
	if (T[t << 1].max1 == T[t << 1 | 1].max1) {
		T[t].max1 = T[t << 1].max1;
		T[t].max2 = max(T[t << 1].max2, T[t << 1 | 1].max2);
		T[t].maxc = T[t << 1].maxc + T[t << 1 | 1].maxc;
	} else {
		if (T[t << 1].max1 > T[t << 1 | 1].max1) {
			T[t].max1 = T[t << 1].max1;
			T[t].max2 = max(T[t << 1].max2, T[t << 1 | 1].max1);
			T[t].maxc = T[t << 1].maxc;
		} else {
			T[t].max1 = T[t << 1 | 1].max1;
			T[t].max2 = max(T[t << 1].max1, T[t << 1 | 1].max2);
			T[t].maxc = T[t << 1 | 1].maxc;
		}
	}
 
	// min
	if (T[t << 1].min1 == T[t << 1 | 1].min1) {
		T[t].min1 = T[t << 1].min1;
		T[t].min2 = min(T[t << 1].min2, T[t << 1 | 1].min2);
		T[t].minc = T[t << 1].minc + T[t << 1 | 1].minc;
	} else {
		if (T[t << 1].min1 < T[t << 1 | 1].min1) {
			T[t].min1 = T[t << 1].min1;
			T[t].min2 = min(T[t << 1].min2, T[t << 1 | 1].min1);
			T[t].minc = T[t << 1].minc;
		} else {
			T[t].min1 = T[t << 1 | 1].min1;
			T[t].min2 = min(T[t << 1].min1, T[t << 1 | 1].min2);
			T[t].minc = T[t << 1 | 1].minc;
		}
	}
}
 
void push_add(int t, int tl, int tr, int v) {
	if (v == 0) { return; }
	T[t].sum += (tr - tl + 1) * v;
	T[t].max1 += v;
	if (T[t].max2 != -intINF) { T[t].max2 += v; }
	T[t].min1 += v;
	if (T[t].min2 != intINF) { T[t].min2 += v; }
	T[t].lazy += v;
}
 
// corresponds to a chmin update
void push_max(int t, int v, bool l) {
	if (v >= T[t].max1) { return; }
	T[t].sum -= T[t].max1 * T[t].maxc;
	T[t].max1 = v;
	T[t].sum += T[t].max1 * T[t].maxc;
	if (l) {
		T[t].min1 = T[t].max1;
	} else {
		if (v <= T[t].min1) {
			T[t].min1 = v;
		} else if (v < T[t].min2) {
			T[t].min2 = v;
		}
	}
}
 
// corresponds to a chmax update
void push_min(int t, int v, bool l) {
	if (v <= T[t].min1) { return; }
	T[t].sum -= T[t].min1 * T[t].minc;
	T[t].min1 = v;
	T[t].sum += T[t].min1 * T[t].minc;
	if (l) {
		T[t].max1 = T[t].min1;
	} else {
		if (v >= T[t].max1) {
			T[t].max1 = v;
		} else if (v > T[t].max2) {
			T[t].max2 = v;
		}
	}
}
 
void pushdown(int t, int tl, int tr) {
	if (tl == tr) return;
	// sum
	int tm = (tl + tr) >> 1;
	push_add(t << 1, tl, tm, T[t].lazy);
	push_add(t << 1 | 1, tm + 1, tr, T[t].lazy);
	T[t].lazy = 0;
 
	// max
	push_max(t << 1, T[t].max1, tl == tm);
	push_max(t << 1 | 1, T[t].max1, tm + 1 == tr);
 
	// min
	push_min(t << 1, T[t].min1, tl == tm);
	push_min(t << 1 | 1, T[t].min1, tm + 1 == tr);
}
 
void build(int t = 1, int tl = 0, int tr = N - 1) {
	T[t].lazy = 0;
	if (tl == tr) {
		T[t].sum = T[t].max1 = T[t].min1 = A[tl];
		T[t].maxc = T[t].minc = 1;
		T[t].max2 = -intINF;
		T[t].min2 = intINF;
		return;
	}
 
	int tm = (tl + tr) >> 1;
	build(t << 1, tl, tm);
	build(t << 1 | 1, tm + 1, tr);
	merge(t);
}
 
void update_add(int l, int r, int v, int t = 1, int tl = 0, int tr = N - 1) {
	if (r < tl || tr < l) { return; }
	if (l <= tl && tr <= r) {
		push_add(t, tl, tr, v);
		return;
	}
	pushdown(t, tl, tr);
 
	int tm = (tl + tr) >> 1;
	update_add(l, r, v, t << 1, tl, tm);
	update_add(l, r, v, t << 1 | 1, tm + 1, tr);
	merge(t);
}
 
void update_chmin(int l, int r, int v, int t = 1, int tl = 0, int tr = N - 1) {
	if (r < tl || tr < l || v >= T[t].max1) { return; }
	if (l <= tl && tr <= r && v > T[t].max2) {
		push_max(t, v, tl == tr);
		return;
	}
	pushdown(t, tl, tr);
 
	int tm = (tl + tr) >> 1;
	update_chmin(l, r, v, t << 1, tl, tm);
	update_chmin(l, r, v, t << 1 | 1, tm + 1, tr);
	merge(t);
}
 
void update_chmax(int l, int r, int v, int t = 1, int tl = 0, int tr = N - 1) {
	if (r < tl || tr < l || v <= T[t].min1) { return; }
	if (l <= tl && tr <= r && v < T[t].min2) {
		push_min(t, v, tl == tr);
		return;
	}
	pushdown(t, tl, tr);
 
	int tm = (tl + tr) >> 1;
	update_chmax(l, r, v, t << 1, tl, tm);
	update_chmax(l, r, v, t << 1 | 1, tm + 1, tr);
	merge(t);
}
 
int query_sum(int l, int r, int t = 1, int tl = 0, int tr = N - 1) {
	if (r < tl || tr < l) { return 0; }
	if (l <= tl && tr <= r) { return T[t].sum; }
	pushdown(t, tl, tr);
 
	int tm = (tl + tr) >> 1;
	return query_sum(l, r, t << 1, tl, tm) +
	       query_sum(l, r, t << 1 | 1, tm + 1, tr);
}
void buildWall(int n, int k, int tp[], int l[], int r[], int h[], int finalHeight[]){
	N = n ; 
	 FOR( i , n ) A[ i ] = 0 ;
	 build() ;
	 FOR( i , k ){
	    int L = l[ i ] ; 
	    int R = r[ i ] ;
	    int H = h[ i ] ;
	 	if( tp[ i ] == 1 ){
	 	 	update_chmax(L, R, H);
		}
		else{
			update_chmin(L, R, H);
		}
	 }
	 FOR( i , n ) finalHeight[ i ] = query_sum( i , i ) ;
	 
}



//int main()
//{
//  int n;
//  int k;
//
//  int i, j;  
//  int status = 0;
//
//  status = scanf("%d%d", &n, &k);
//  assert(status == 2);
//
//  int* op = (int*)calloc(sizeof(int), k);
//  int* left = (int*)calloc(sizeof(int), k);
//  int* right = (int*)calloc(sizeof(int), k);
//  int* height = (int*)calloc(sizeof(int), k);
//  int* finalHeight = (int*)calloc(sizeof(int), n);
//
//  for (i = 0; i < k; i++){
//    status = scanf("%d%d%d%d", &op[i], &left[i], &right[i], &height[i]);
//    assert(status == 4);
//  }
//
//  buildWall(n, k, op, left, right, height, finalHeight);
//
//  for (j = 0; j < n; j++)
//    printf("%d\n", finalHeight[j]);
//  
//  return 0;
//}




# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 8 ms 1760 KB Output is correct
5 Correct 8 ms 1756 KB Output is correct
6 Correct 6 ms 1748 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 112 ms 8224 KB Output is correct
3 Correct 60 ms 6372 KB Output is correct
4 Correct 157 ms 19504 KB Output is correct
5 Correct 169 ms 19984 KB Output is correct
6 Correct 200 ms 19940 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 8 ms 1748 KB Output is correct
5 Correct 8 ms 1748 KB Output is correct
6 Correct 6 ms 1748 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 113 ms 8228 KB Output is correct
9 Correct 61 ms 6396 KB Output is correct
10 Correct 167 ms 19444 KB Output is correct
11 Correct 179 ms 20028 KB Output is correct
12 Correct 202 ms 19984 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 116 ms 8232 KB Output is correct
15 Correct 33 ms 3532 KB Output is correct
16 Correct 559 ms 19780 KB Output is correct
17 Correct 323 ms 19676 KB Output is correct
18 Correct 302 ms 19696 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 10 ms 1748 KB Output is correct
5 Correct 8 ms 1756 KB Output is correct
6 Correct 6 ms 1756 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 121 ms 8204 KB Output is correct
9 Correct 63 ms 6480 KB Output is correct
10 Correct 204 ms 19516 KB Output is correct
11 Correct 175 ms 19904 KB Output is correct
12 Correct 204 ms 19996 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 114 ms 8236 KB Output is correct
15 Correct 33 ms 3576 KB Output is correct
16 Correct 583 ms 19704 KB Output is correct
17 Correct 358 ms 19708 KB Output is correct
18 Correct 314 ms 19708 KB Output is correct
19 Correct 1057 ms 198256 KB Output is correct
20 Correct 1064 ms 195836 KB Output is correct
21 Correct 1098 ms 198328 KB Output is correct
22 Correct 1153 ms 196176 KB Output is correct
23 Correct 1105 ms 196160 KB Output is correct
24 Correct 1068 ms 196052 KB Output is correct
25 Correct 1080 ms 196036 KB Output is correct
26 Correct 1062 ms 198560 KB Output is correct
27 Correct 1057 ms 198596 KB Output is correct
28 Correct 1070 ms 196076 KB Output is correct
29 Correct 1069 ms 195996 KB Output is correct
30 Correct 1071 ms 196012 KB Output is correct