Submission #1261172


Source Code Expand

#include <stdio.h>
#include <iostream>
#include <cstring>
const int N=500005;
const int M=30;
int n,q,f[N][M],st[N][19];
char s[N];
using namespace std;

int main()
{
	#ifdef Kay
		freopen ("mujin_pc_2017_c.in","r",stdin);
		freopen ("mujin_pc_2017_c.out","w",stdout);
	#endif
	scanf ("\n%s",s+1),n=strlen(s+1);
	int i,j;
	for (i=1;i<=n+2;i++)
	for (j=1;j<=27;j++)
	f[i][j]=n+2;
	for (i=n;i>=1;i--)
	{
		f[i][s[i]-'a'+1]=i+1;
		for (j=s[i]-'a'+2;j<=27;j++) f[i][j]=f[f[i][j-1]][j-1];
		for (j=1;j<=s[i]-'a';j++) f[i][j]=f[f[i][27]][j];
	}
	for (i=1;i<=n;i++) st[i][0]=f[i][27];
	for (j=1;j<19;j++)
	for (i=1;i<=n;i++)
	if (st[i][j-1]<=n) st[i][j]=st[st[i][j-1]][j-1];
	else st[i][j]=n+2;
	for (j=0;j<19;j++) st[n+1][j]=n+1;
	scanf ("%d",&q);
	int l,r;
	while (q--)
	{
		scanf ("%d %d",&l,&r);
		for (j=18;j>=0;j--)
		if (st[l][j]<=r+1) l=st[l][j];
		if (l==r+1) puts("Yes");
		else puts("No");
	}
	return 0;
}

Submission Info

Submission Time
Task C - Robot and String
User AHWHRKY
Language C++14 (GCC 5.4.1)
Score 1300
Code Size 954 Byte
Status AC
Exec Time 208 ms
Memory 96896 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf ("\n%s",s+1),n=strlen(s+1);
                                  ^
./Main.cpp:33:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d",&q);
                 ^
./Main.cpp:37:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%d %d",&l,&r);
                        ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1300 / 1300
Status
AC × 3
AC × 67
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 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, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt
Case Name Status Exec Time Memory
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
1_00.txt AC 19 ms 2560 KB
1_01.txt AC 20 ms 2560 KB
1_02.txt AC 203 ms 96768 KB
1_03.txt AC 204 ms 96768 KB
1_04.txt AC 202 ms 96768 KB
1_05.txt AC 201 ms 96768 KB
1_06.txt AC 200 ms 96768 KB
1_07.txt AC 192 ms 96768 KB
1_08.txt AC 162 ms 96768 KB
1_09.txt AC 160 ms 96768 KB
1_10.txt AC 159 ms 96768 KB
1_11.txt AC 159 ms 96768 KB
1_12.txt AC 160 ms 96768 KB
1_13.txt AC 160 ms 96768 KB
1_14.txt AC 161 ms 96768 KB
1_15.txt AC 159 ms 96768 KB
1_16.txt AC 158 ms 96768 KB
1_17.txt AC 158 ms 96768 KB
1_18.txt AC 157 ms 96768 KB
1_19.txt AC 165 ms 96768 KB
1_20.txt AC 159 ms 96768 KB
1_21.txt AC 164 ms 96768 KB
1_22.txt AC 166 ms 96768 KB
1_23.txt AC 165 ms 96768 KB
1_24.txt AC 166 ms 96896 KB
1_25.txt AC 166 ms 96768 KB
1_26.txt AC 176 ms 96768 KB
1_27.txt AC 177 ms 96768 KB
1_28.txt AC 186 ms 96768 KB
1_29.txt AC 192 ms 96768 KB
1_30.txt AC 183 ms 96768 KB
1_31.txt AC 195 ms 96768 KB
1_32.txt AC 192 ms 96768 KB
1_33.txt AC 167 ms 96768 KB
1_34.txt AC 149 ms 95232 KB
1_35.txt AC 155 ms 96128 KB
1_36.txt AC 154 ms 94720 KB
1_37.txt AC 160 ms 96000 KB
1_38.txt AC 164 ms 96768 KB
1_39.txt AC 163 ms 96768 KB
1_40.txt AC 162 ms 96128 KB
1_41.txt AC 167 ms 96768 KB
1_42.txt AC 167 ms 95872 KB
1_43.txt AC 172 ms 96768 KB
1_44.txt AC 168 ms 96640 KB
1_45.txt AC 172 ms 96384 KB
1_46.txt AC 177 ms 96640 KB
1_47.txt AC 171 ms 96000 KB
1_48.txt AC 178 ms 96768 KB
1_49.txt AC 193 ms 96768 KB
1_50.txt AC 196 ms 96768 KB
1_51.txt AC 180 ms 96768 KB
1_52.txt AC 206 ms 96768 KB
1_53.txt AC 183 ms 96768 KB
1_54.txt AC 197 ms 96768 KB
1_55.txt AC 182 ms 96768 KB
1_56.txt AC 188 ms 96768 KB
1_57.txt AC 183 ms 96768 KB
1_58.txt AC 183 ms 96768 KB
1_59.txt AC 208 ms 96768 KB
1_60.txt AC 196 ms 96768 KB
1_61.txt AC 173 ms 96768 KB
1_62.txt AC 166 ms 96768 KB
1_63.txt AC 189 ms 96768 KB