| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 535049 |
2022-03-09T10:49:50 Z |
terrasphere |
Cake (CEOI14_cake) |
C++17 |
|
344 ms |
11724 KB |
#include <bits/stdc++.h>
using namespace std;
long long n,p;
const long long P=1e9;
int q2=1e6,q3=1e6;
long long arr[252525];
vector<long long> tree;
void init(int start,int end,int node)
{
if(start==end)
{
tree[node]=arr[start];
return;
}
init(start,(start+end)/2,node*2);
init((start+end)/2+1,end,node*2+1);
tree[node]=max(tree[node*2],tree[node*2+1]);
return;
}
void update(int start,int end,int node,int index)
{
if(start<=index && index<=end)
{
tree[node]=max(tree[node],arr[index]);
if(start==end)
{
tree[node]=arr[index];
return;
}
update(start,(start+end)/2,node*2,index);
update((start+end)/2+1,end,node*2+1,index);
}
return;
}
long long query1(int start,int end,int left,int right,int node)
{
if(start>right || end<left)
return 0;
if(left<=start && end<=right)
return tree[node];
return max(query1(start,(start+end)/2,left,right,node*2),query1((start+end)/2+1,end,left,right,node*2+1));
}
void query2(int start,int end,int left,int right,int node,long long up)
{
if(q2!=1e6)
return;
if(left>end || start>right)
return;
if(left<=start && end<=right)
{
if(tree[node]>up)
{
if(start==end)
{
q2=start;
return;
}
query2(start,(start+end)/2,left,right,node*2,up);
query2((start+end)/2+1,end,left,right,node*2+1,up);
}
return;
}
query2(start,(start+end)/2,left,right,node*2,up);
query2((start+end)/2+1,end,left,right,node*2+1,up);
return;
}
void query3(int start,int end,int left,int right,int node,long long up)
{
if(q3!=1e6)
return;
if(left>end || start>right)
return;
if(left<=start && end<=right)
{
if(tree[node]>up)
{
if(start==end)
{
q3=start;
return;
}
query3((start+end)/2+1,end,left,right,node*2+1,up);
query3(start,(start+end)/2,left,right,node*2,up);
}
return;
}
query3((start+end)/2+1,end,left,right,node*2+1,up);
query3(start,(start+end)/2,left,right,node*2,up);
return;
}
int main()
{
int m;
scanf("%lld%lld",&n,&p);
tree.resize(4*n);
for(int i=0;i<n;i++)
{
scanf("%lld",&arr[i]);
arr[i]*=P;
}
init(0,n-1,1);
scanf("%d",&m);
for(long long i=1;i<=m;i++)
{
q2=1e6;
q3=1e6;
char x;
long long a,b;
scanf(" %c",&x);
if(x=='F')
{
scanf("%lld",&a);
long long q;
int ans=0;
if(p==1 || p==n)
ans=abs(p-a);
else if(a>p)
{
//q3+1~a
q=query1(0,n-1,p,a-1,1);
query3(0,n-1,0,p-2,1,q);
if(q3==1e6)
ans=a-1;
else
ans=a-(q3+1)-1;
}
else if(a<p)
{
//a~q2-1
q=query1(0,n-1,a-1,p-2,1);
query2(0,n-1,p,n-1,1,q);
if(q2==1e6)
ans=n-a;
else
ans=q2-1-a+1;
}
printf("%d\n",ans);
}
else
{
scanf("%lld%lld",&a,&b);
arr[a-1]=(n-b+1)*P+i;
update(0,n-1,1,a-1);
}
}
return 0;
}
Compilation message
cake.cpp: In function 'int main()':
cake.cpp:103:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
103 | scanf("%lld%lld",&n,&p);
| ~~~~~^~~~~~~~~~~~~~~~~~
cake.cpp:107:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
107 | scanf("%lld",&arr[i]);
| ~~~~~^~~~~~~~~~~~~~~~
cake.cpp:111:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
111 | scanf("%d",&m);
| ~~~~~^~~~~~~~~
cake.cpp:118:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
118 | scanf(" %c",&x);
| ~~~~~^~~~~~~~~~
cake.cpp:121:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
121 | scanf("%lld",&a);
| ~~~~~^~~~~~~~~~~
cake.cpp:150:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
150 | scanf("%lld%lld",&a,&b);
| ~~~~~^~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
147 ms |
588 KB |
Output isn't correct |
| 2 |
Correct |
140 ms |
588 KB |
Output is correct |
| 3 |
Incorrect |
130 ms |
588 KB |
Output isn't correct |
| 4 |
Correct |
135 ms |
588 KB |
Output is correct |
| 5 |
Incorrect |
152 ms |
1228 KB |
Output isn't correct |
| 6 |
Incorrect |
140 ms |
1228 KB |
Output isn't correct |
| 7 |
Incorrect |
153 ms |
1228 KB |
Output isn't correct |
| 8 |
Correct |
154 ms |
1228 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
79 ms |
4752 KB |
Output isn't correct |
| 2 |
Incorrect |
64 ms |
4548 KB |
Output isn't correct |
| 3 |
Incorrect |
76 ms |
4544 KB |
Output isn't correct |
| 4 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 5 |
Incorrect |
98 ms |
10708 KB |
Output isn't correct |
| 6 |
Incorrect |
114 ms |
10624 KB |
Output isn't correct |
| 7 |
Incorrect |
76 ms |
10436 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
32 ms |
460 KB |
Output isn't correct |
| 2 |
Incorrect |
24 ms |
588 KB |
Output isn't correct |
| 3 |
Incorrect |
62 ms |
2352 KB |
Output isn't correct |
| 4 |
Incorrect |
45 ms |
2380 KB |
Output isn't correct |
| 5 |
Incorrect |
63 ms |
692 KB |
Output isn't correct |
| 6 |
Incorrect |
90 ms |
3204 KB |
Output isn't correct |
| 7 |
Incorrect |
89 ms |
1200 KB |
Output isn't correct |
| 8 |
Incorrect |
88 ms |
4172 KB |
Output isn't correct |
| 9 |
Incorrect |
333 ms |
11660 KB |
Output isn't correct |
| 10 |
Incorrect |
214 ms |
1388 KB |
Output isn't correct |
| 11 |
Incorrect |
224 ms |
2372 KB |
Output isn't correct |
| 12 |
Incorrect |
330 ms |
9720 KB |
Output isn't correct |
| 13 |
Incorrect |
344 ms |
11724 KB |
Output isn't correct |
