oj.uz

Submission #124799

# Submission time Handle Problem Language Result Execution time Memory
124799 2019-07-04T02:12:23 Z hungcung Sterilizing Spray (JOI15_sterilizing) C++17
100 / 100
 269 ms 3832 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
int n,q,k,t,x,y,a[100005],tree[400005];
void build(int id,int l,int r){
	if(l==r){
		tree[id]=a[l];
		return;
	}
	int mid=(l+r)/2;
	build(id*2,l,mid);
	build(id*2+1,mid+1,r);
	tree[id]=tree[id*2]+tree[id*2+1];
}
void update1(int id,int l,int r,int pos,int val){
	if(l==r){
		tree[id]=val;
		return;
	}
	int mid=(l+r)/2;
	if(pos<=mid) update1(id*2,l,mid,pos,val);
	else update1(id*2+1,mid+1,r,pos,val);
	tree[id]=tree[id*2]+tree[id*2+1];
}
void update2(int id,int l,int r,int u,int v){
	if(tree[id]==0||k==1) return;
	if(l==r){
		tree[id]/=k;
		return;
	}
	int mid=(l+r)/2;
	if(u<=mid) update2(id*2,l,mid,u,v);
	if(mid<v) update2(id*2+1,mid+1,r,u,v);
	tree[id]=tree[id*2]+tree[id*2+1];
}
int getsum(int id,int l,int r,int u,int v){
	if(v<l||u>r||u>v) return 0;
	if(u<=l&&r<=v){
		return tree[id];
	}
	int mid=(l+r)/2,ans=0;
	if(u<=mid) ans+=getsum(id*2,l,mid,u,v);
	if(mid<v) ans+=getsum(id*2+1,mid+1,r,u,v);
	return ans;
}
signed main(){
	scanf("%lld %lld %lld",&n,&q,&k);
	for(int i=1;i<=n;i++){
		scanf("%lld",&a[i]);
	}
	build(1,1,n);
	while(q--){
		scanf("%lld %lld %lld",&t,&x,&y);
		if(t==1){
			update1(1,1,n,x,y);
		}if(t==2){
			update2(1,1,n,x,y);
		}if(t==3){
			printf("%lld\n",getsum(1,1,n,x,y));
		}
	}
}

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:47:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&n,&q,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
   ~~~~~^~~~~~~~~~~~~~
sterilizing.cpp:53:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld",&t,&x,&y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 6 ms 504 KB Output is correct
8 Correct 6 ms 376 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 6 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 2168 KB Output is correct
2 Correct 58 ms 2040 KB Output is correct
3 Correct 56 ms 3244 KB Output is correct
4 Correct 69 ms 3572 KB Output is correct
5 Correct 83 ms 3684 KB Output is correct
6 Correct 83 ms 3704 KB Output is correct
7 Correct 83 ms 3656 KB Output is correct
8 Correct 83 ms 3704 KB Output is correct
9 Correct 77 ms 3736 KB Output is correct
10 Correct 77 ms 3708 KB Output is correct
11 Correct 78 ms 3676 KB Output is correct
12 Correct 80 ms 3832 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 504 KB Output is correct
2 Correct 16 ms 1656 KB Output is correct
3 Correct 22 ms 1784 KB Output is correct
4 Correct 57 ms 1180 KB Output is correct
5 Correct 76 ms 3192 KB Output is correct
6 Correct 76 ms 3192 KB Output is correct
7 Correct 70 ms 3436 KB Output is correct
8 Correct 77 ms 3320 KB Output is correct
9 Correct 76 ms 3248 KB Output is correct
10 Correct 74 ms 3192 KB Output is correct
11 Correct 75 ms 3192 KB Output is correct
12 Correct 70 ms 3192 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 1960 KB Output is correct
2 Correct 105 ms 2136 KB Output is correct
3 Correct 119 ms 1784 KB Output is correct
4 Correct 127 ms 1372 KB Output is correct
5 Correct 159 ms 3448 KB Output is correct
6 Correct 184 ms 3576 KB Output is correct
7 Correct 151 ms 3520 KB Output is correct
8 Correct 230 ms 3480 KB Output is correct
9 Correct 187 ms 3404 KB Output is correct
10 Correct 207 ms 3540 KB Output is correct
11 Correct 155 ms 3448 KB Output is correct
12 Correct 269 ms 3468 KB Output is correct