Submission #1225751


Source Code Expand

#include<iostream>
#include<cstdio>
#include<cstring>
#define N 500005
using namespace std;
int n,m,l,r,a[N],dp[N][27],f[N],p[N][27];
char s[N];
int main()
{
	scanf("%s",s+1);
	n=strlen(s+1);
	for (int i=1;i<=n;i++)
		a[i]=s[i]-'a'+1;
	for (int i=0;i<=26;i++) dp[n+1][i]=10000000;
	f[n+1]=n+1;
	for (int i=n;i>=1;i--)
	{
		dp[i][a[i]]=i;
		for (int j=a[i]+1;j<=26;j++)
		{
			if (dp[i][j-1]<=n)
				dp[i][j]=dp[dp[i][j-1]+1][j-1];
			else dp[i][j]=10000000;
		}
		if (dp[i][26]<=n)
			dp[i][0]=dp[dp[i][26]+1][26];
		else dp[i][0]=10000000;
		for (int j=1;j<a[i];j++)
		{
			if (dp[i][0]<=n)
				dp[i][j]=dp[dp[i][0]+1][j];
			else dp[i][j]=10000000;
		}
		if (dp[i][0]<=n) p[i][0]=dp[i][0]+1;
		else p[i][0]=10000000;
	}
	p[n+1][0]=10000000;
	for (int i=1;i<=20;i++)
		for (int j=1;j<=n+1;j++)
			if (p[j][i-1]!=10000000) p[j][i]=p[p[j][i-1]][i-1];
			else p[j][i]=10000000;
	
	scanf("%d",&m);
	while(m--)
	{
		scanf("%d%d",&l,&r);
		for (int j=20;j>=0;j--)
		{
			if (p[l][j]<=r+1) l=p[l][j];
		}
		puts(l==r+1?"Yes":"No");
	}
	//while(1);
}

Submission Info

Submission Time
Task C - Robot and String
User miaom
Language C++14 (GCC 5.4.1)
Score 1300
Code Size 1096 Byte
Status AC
Exec Time 248 ms
Memory 110464 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s+1);
                 ^
./Main.cpp:43:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&m);
                ^
./Main.cpp:46:22: 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 6400 KB
0_01.txt AC 2 ms 6400 KB
0_02.txt AC 2 ms 6400 KB
1_00.txt AC 21 ms 6656 KB
1_01.txt AC 21 ms 6656 KB
1_02.txt AC 220 ms 110336 KB
1_03.txt AC 218 ms 110464 KB
1_04.txt AC 223 ms 110464 KB
1_05.txt AC 227 ms 110464 KB
1_06.txt AC 234 ms 110464 KB
1_07.txt AC 237 ms 110464 KB
1_08.txt AC 181 ms 110464 KB
1_09.txt AC 180 ms 110464 KB
1_10.txt AC 179 ms 110464 KB
1_11.txt AC 179 ms 110464 KB
1_12.txt AC 178 ms 110464 KB
1_13.txt AC 178 ms 110464 KB
1_14.txt AC 179 ms 110464 KB
1_15.txt AC 184 ms 110464 KB
1_16.txt AC 183 ms 110464 KB
1_17.txt AC 183 ms 110464 KB
1_18.txt AC 184 ms 110464 KB
1_19.txt AC 185 ms 110464 KB
1_20.txt AC 186 ms 110464 KB
1_21.txt AC 188 ms 110464 KB
1_22.txt AC 190 ms 110464 KB
1_23.txt AC 192 ms 110464 KB
1_24.txt AC 198 ms 110464 KB
1_25.txt AC 200 ms 110464 KB
1_26.txt AC 204 ms 110464 KB
1_27.txt AC 205 ms 110464 KB
1_28.txt AC 212 ms 110464 KB
1_29.txt AC 220 ms 110464 KB
1_30.txt AC 223 ms 110464 KB
1_31.txt AC 227 ms 110464 KB
1_32.txt AC 234 ms 110464 KB
1_33.txt AC 175 ms 110464 KB
1_34.txt AC 177 ms 110336 KB
1_35.txt AC 181 ms 110464 KB
1_36.txt AC 178 ms 108288 KB
1_37.txt AC 185 ms 110464 KB
1_38.txt AC 194 ms 110464 KB
1_39.txt AC 192 ms 110464 KB
1_40.txt AC 193 ms 110464 KB
1_41.txt AC 199 ms 110464 KB
1_42.txt AC 199 ms 110464 KB
1_43.txt AC 205 ms 110464 KB
1_44.txt AC 204 ms 110464 KB
1_45.txt AC 206 ms 110464 KB
1_46.txt AC 210 ms 110464 KB
1_47.txt AC 213 ms 110464 KB
1_48.txt AC 224 ms 110464 KB
1_49.txt AC 221 ms 110464 KB
1_50.txt AC 225 ms 110464 KB
1_51.txt AC 206 ms 110464 KB
1_52.txt AC 229 ms 110464 KB
1_53.txt AC 198 ms 110464 KB
1_54.txt AC 234 ms 110464 KB
1_55.txt AC 205 ms 110464 KB
1_56.txt AC 228 ms 110464 KB
1_57.txt AC 199 ms 110464 KB
1_58.txt AC 213 ms 110464 KB
1_59.txt AC 248 ms 110464 KB
1_60.txt AC 225 ms 110464 KB
1_61.txt AC 206 ms 110464 KB
1_62.txt AC 180 ms 110464 KB
1_63.txt AC 217 ms 110464 KB