oj.uz

답안 #46437

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
46437 2018-04-20T16:07:48 Z RezwanArefin01 Sterilizing Spray (JOI15_sterilizing) C++17
75 / 100
 315 ms 6692 KB 
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> ii; 

const int maxn = 1e5 + 10; 
ll t[maxn << 2], mx[maxn << 2]; 
int a[maxn], lazy[maxn << 2], n, q, k; 

void build(int node, int l, int r) {
	if(l == r) {
		t[node] = a[l];
		mx[node] = a[l];
		return; 
	} int m = l + r >> 1;
	build(node << 1, l, m); 
	build(node << 1 | 1, m + 1, r); 
	t[node] = t[node << 1] + t[node << 1 | 1]; 
	mx[node] = max(mx[node << 1], mx[node << 1 | 1]); 
}

void shift(int node) {
	if(!lazy[node]) return; 
	t[node << 1] = mx[node << 1] = 0; 
	t[node << 1 | 1] = mx[node << 1 | 1] = 0; 
	lazy[node << 1] = lazy[node << 1 | 1] = 1;
	lazy[node] = 0;
}

void change(int node, int l, int r, int i, int x) {
	if(r < i || l > i) return;
	if(l == r) {
		t[node] = mx[node] = x; 
		return; 
	} shift(node); 
	int m = l + r >> 1;
	if(i <= m) change(node << 1, l, m, i, x);
	else change(node << 1 | 1, m + 1, r, i, x);
	t[node] = t[node << 1] + t[node << 1 | 1]; 
	mx[node] = max(mx[node << 1], mx[node << 1 | 1]); 
}

void update(int node, int l, int r, int i, int j) {
	if(r < i || l > j || mx[node] == 0) return; 
	if(i <= l && r <= j && mx[node] < k) {
		t[node] = mx[node] = 0; 
		lazy[node] = 1; return; 
	}  
	if(l == r) {
		t[node] = mx[node] = t[node] / k;
		return; 
	} shift(node);
	int m = l + r >> 1;
	update(node << 1, l, m, i, j); 
	update(node << 1 | 1, m + 1, r, i, j); 
	t[node] = t[node << 1] + t[node << 1 | 1]; 
	mx[node] = max(mx[node << 1], mx[node << 1 | 1]); 
}
ll query(int node, int l, int r, int i, int j) {
	if(r < i || l > j) return 0; 
	if(i <= l && r <= j) return t[node]; 
	shift(node); int m = l + r >> 1;
	return query(node << 1, l, m, i, j) + 
		   query(node << 1 | 1, m + 1, r, i, j);
}
int main(int argc, char const *argv[]) {
	scanf("%d %d %d", &n, &q, &k); 
	for(int i = 1; i <= n; i++) 
		scanf("%d", &a[i]);
	build(1, 1, n);
	while(q--) {
		int t, l, r; 
		scanf("%d %d %d", &t, &l, &r); 
		if(t == 1) change(1, 1, n, l, r); 
		else if(t == 2 && k != 1) update(1, 1, n, l, r); 
		else printf("%lld\n", query(1, 1, n, l, r));
	}
}

Compilation message

sterilizing.cpp: In function 'void build(int, int, int)':
sterilizing.cpp:19:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  } int m = l + r >> 1;
            ~~^~~
sterilizing.cpp: In function 'void change(int, int, int, int, int)':
sterilizing.cpp:40:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = l + r >> 1;
          ~~^~~
sterilizing.cpp: In function 'void update(int, int, int, int, int)':
sterilizing.cpp:57:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = l + r >> 1;
          ~~^~~
sterilizing.cpp: In function 'll query(int, int, int, int, int)':
sterilizing.cpp:66:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  shift(node); int m = l + r >> 1;
                       ~~^~~
sterilizing.cpp: In function 'int main(int, const char**)':
sterilizing.cpp:71:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &q, &k); 
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:73:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
sterilizing.cpp:77:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &t, &l, &r); 
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Incorrect 3 ms 616 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 98 ms 3648 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 3648 KB Output is correct
2 Correct 19 ms 3648 KB Output is correct
3 Correct 26 ms 3648 KB Output is correct
4 Correct 71 ms 3648 KB Output is correct
5 Correct 98 ms 6268 KB Output is correct
6 Correct 94 ms 6268 KB Output is correct
7 Incorrect 102 ms 6268 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 6268 KB Output is correct
2 Correct 133 ms 6268 KB Output is correct
3 Correct 150 ms 6268 KB Output is correct
4 Correct 161 ms 6268 KB Output is correct
5 Correct 218 ms 6444 KB Output is correct
6 Correct 232 ms 6572 KB Output is correct
7 Correct 203 ms 6572 KB Output is correct
8 Correct 271 ms 6692 KB Output is correct
9 Correct 235 ms 6692 KB Output is correct
10 Correct 244 ms 6692 KB Output is correct
11 Correct 183 ms 6692 KB Output is correct
12 Correct 315 ms 6692 KB Output is correct