Submission #1178727
Source Code Expand
#include<iostream>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<algorithm>
#define N 1000005
#define LL long long
#define oo (1<<30)
using namespace std;
int n,q,ans,f[27][N],F[20][N]; char st[N];
int main()
{
int i,j,l,r;
scanf("%s",st+1);
n = strlen(st+1);
for(i=1;i<=n;i++)
f[st[i]-'a'][i]=i+1;
for(i=n-1;i>=1;i--){
for(j=st[i]-'a'+1;j<=26;j++)
f[j][i]=f[j-1][f[j-1][i]];
for(j=0;j<st[i]-'a';j++)
f[j][i]=f[j][f[26][i]];
}
for(i=1;i<=n;i++) F[0][i]=f[26][i];
for(i=1;i<20;i++)
for(j=1;j<=n;j++)
F[i][j]=F[i-1][F[i-1][j]];
scanf("%d",&q);
while(q--){
scanf("%d %d",&l,&r),ans=0;
for(i=19;i>=0;i--)
if(F[i][l]<=r+1&&F[i][l])
l=F[i][l];
if(l>r) printf("Yes\n");
else printf("No\n");
}
return 0;
}
Submission Info
Submission Time |
|
Task |
A - Robot Racing |
User |
MemorySlices |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
817 Byte |
Status |
RE |
Exec Time |
101 ms |
Memory |
256 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:15:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%s",st+1);
^
./Main.cpp:29:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&q);
^
./Main.cpp:31:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&l,&r),ans=0;
^
Judge Result
Set Name |
Sample |
Subtask |
All |
Score / Max Score |
0 / 0 |
0 / 500 |
0 / 400 |
Status |
|
|
|
Set Name |
Test Cases |
Sample |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
Subtask |
0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt |
All |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt |
Case Name |
Status |
Exec Time |
Memory |
0_00.txt |
RE |
99 ms |
256 KB |
0_01.txt |
RE |
99 ms |
256 KB |
0_02.txt |
RE |
99 ms |
256 KB |
0_03.txt |
RE |
100 ms |
256 KB |
1_00.txt |
RE |
99 ms |
256 KB |
1_01.txt |
RE |
99 ms |
256 KB |
1_02.txt |
RE |
99 ms |
256 KB |
1_03.txt |
RE |
101 ms |
256 KB |
1_04.txt |
RE |
100 ms |
256 KB |
1_05.txt |
RE |
98 ms |
256 KB |
1_06.txt |
RE |
98 ms |
256 KB |
1_07.txt |
RE |
99 ms |
256 KB |
1_08.txt |
RE |
100 ms |
256 KB |
1_09.txt |
RE |
100 ms |
256 KB |
1_10.txt |
RE |
98 ms |
256 KB |
2_00.txt |
RE |
99 ms |
256 KB |
2_01.txt |
RE |
100 ms |
256 KB |
2_02.txt |
RE |
99 ms |
256 KB |
2_03.txt |
RE |
99 ms |
256 KB |
2_04.txt |
RE |
99 ms |
256 KB |
2_05.txt |
RE |
98 ms |
256 KB |
2_06.txt |
RE |
100 ms |
256 KB |
2_07.txt |
RE |
99 ms |
256 KB |
2_08.txt |
RE |
99 ms |
256 KB |
2_09.txt |
RE |
99 ms |
256 KB |
2_10.txt |
RE |
99 ms |
256 KB |
2_11.txt |
RE |
99 ms |
256 KB |
2_12.txt |
RE |
99 ms |
256 KB |