Submission #1225539


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int N=600000;
int f[N][30],g[N][21],das;
char s[N];
int q;
#define idx(x) x-'a'+1
int main(){
	scanf("%s",s+1);
	int n=strlen(s+1);
	f[n][idx(s[n])]=n+1;;
	for (int i=n-1;i>=1;i--){
		f[i][idx(s[i])]=i+1;
		for (int j=idx(s[i])+1;j<=27;j++) f[i][j]=f[f[i][j-1]][j-1];
		for (int j=1;j<idx(s[i]);j++) f[i][j]=f[f[i][27]][j];
	}
	
	for (int i=1;i<=n;i++) g[i][0]=f[i][27];
	for (int k=1;(1<<k)<=n;k++)
		for (int i=1;i<=n;i++)
			g[i][k]=g[g[i][k-1]][k-1];
	
	scanf("%d",&q);
	while (q--){
		das++;
		int x,y;
		scanf("%d%d",&x,&y);
		int lg=20;
		while (lg>=0&&(!g[x][lg]||g[x][lg]>y+1)) lg--;
		if (lg<0) puts("No");
		else{
			while (lg>=0){
                        if (g[x][lg]&&g[x][lg]<=y+1){
				x=g[x][lg];}lg--;
			}
			if (x==y+1) puts("Yes");else puts("No");
		}
	}
	return 0;
}

Submission Info

Submission Time
Task C - Robot and String
User vjudge1
Language C++14 (GCC 5.4.1)
Score 1300
Code Size 838 Byte
Status AC
Exec Time 214 ms
Memory 102912 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s+1);
                 ^
./Main.cpp:23:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
                ^
./Main.cpp:27:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&x,&y);
                      ^

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 20 ms 2560 KB
1_01.txt AC 20 ms 2560 KB
1_02.txt AC 201 ms 102784 KB
1_03.txt AC 200 ms 102784 KB
1_04.txt AC 202 ms 102912 KB
1_05.txt AC 200 ms 102912 KB
1_06.txt AC 199 ms 102912 KB
1_07.txt AC 199 ms 102912 KB
1_08.txt AC 160 ms 102912 KB
1_09.txt AC 159 ms 102912 KB
1_10.txt AC 159 ms 102912 KB
1_11.txt AC 157 ms 102912 KB
1_12.txt AC 160 ms 102912 KB
1_13.txt AC 160 ms 102912 KB
1_14.txt AC 159 ms 102912 KB
1_15.txt AC 158 ms 102912 KB
1_16.txt AC 160 ms 102912 KB
1_17.txt AC 161 ms 102912 KB
1_18.txt AC 162 ms 102912 KB
1_19.txt AC 161 ms 102912 KB
1_20.txt AC 163 ms 102912 KB
1_21.txt AC 161 ms 102912 KB
1_22.txt AC 164 ms 102912 KB
1_23.txt AC 166 ms 102912 KB
1_24.txt AC 168 ms 102912 KB
1_25.txt AC 171 ms 102912 KB
1_26.txt AC 176 ms 102912 KB
1_27.txt AC 181 ms 102912 KB
1_28.txt AC 188 ms 102912 KB
1_29.txt AC 193 ms 102912 KB
1_30.txt AC 192 ms 102912 KB
1_31.txt AC 194 ms 102912 KB
1_32.txt AC 207 ms 102912 KB
1_33.txt AC 167 ms 102912 KB
1_34.txt AC 152 ms 100864 KB
1_35.txt AC 159 ms 102912 KB
1_36.txt AC 154 ms 98816 KB
1_37.txt AC 161 ms 102912 KB
1_38.txt AC 168 ms 102912 KB
1_39.txt AC 166 ms 102912 KB
1_40.txt AC 172 ms 102912 KB
1_41.txt AC 184 ms 102912 KB
1_42.txt AC 181 ms 100864 KB
1_43.txt AC 184 ms 102912 KB
1_44.txt AC 186 ms 102912 KB
1_45.txt AC 187 ms 102912 KB
1_46.txt AC 190 ms 102912 KB
1_47.txt AC 192 ms 102912 KB
1_48.txt AC 202 ms 102912 KB
1_49.txt AC 199 ms 102912 KB
1_50.txt AC 209 ms 102912 KB
1_51.txt AC 182 ms 102912 KB
1_52.txt AC 205 ms 102912 KB
1_53.txt AC 182 ms 102912 KB
1_54.txt AC 203 ms 102912 KB
1_55.txt AC 179 ms 102912 KB
1_56.txt AC 202 ms 102912 KB
1_57.txt AC 184 ms 102912 KB
1_58.txt AC 186 ms 102912 KB
1_59.txt AC 214 ms 102912 KB
1_60.txt AC 207 ms 102912 KB
1_61.txt AC 185 ms 102912 KB
1_62.txt AC 167 ms 102912 KB
1_63.txt AC 197 ms 102912 KB