Submission #1225522


Source Code Expand

#include <cstdio>
#include <cstring>
const int N=500010;
char c[N];
int q,l,r,f[N][30],d[N][25],n,j,h,i;
int main(){
	scanf("%s",c+1);
	n=strlen(c+1);
	for(i=1;i<=n;++i)f[i][c[i]-'a']=i;
	for(i=n;i;--i){		
		for(j=c[i]+1-'a';j<=26;++j){
			if(f[i][j-1])f[i][j]=f[f[i][j-1]+1][j-1];
			//printf("f[%d][%d]=%d\n",i,j,f[i][j]);
		}
		if(f[i][26])for(j=0;j<c[i]-'a';++j)f[i][j]=f[f[i][26]+1][j];
		d[i][0]=f[i][26];
		for(h=1;(1<<h)<n;++h)if(d[i][h-1])d[i][h]=d[d[i][h-1]+1][h-1];
	}
	scanf("%d",&q);
	while(q--){
		scanf("%d%d",&l,&r);
		if(l==r){
			puts("No");
			continue;
		}
		for(i=h;i>=0;--i)
			if(d[l][i] && d[l][i]<=r)l=d[l][i]+1;
		if(l==r+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 698 Byte
Status AC
Exec Time 188 ms
Memory 108416 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",c+1);
                 ^
./Main.cpp:19:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
                ^
./Main.cpp:21:22: 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 1 ms 2176 KB
0_01.txt AC 1 ms 2176 KB
0_02.txt AC 1 ms 2176 KB
1_00.txt AC 16 ms 2560 KB
1_01.txt AC 16 ms 2560 KB
1_02.txt AC 138 ms 108416 KB
1_03.txt AC 136 ms 108416 KB
1_04.txt AC 139 ms 108416 KB
1_05.txt AC 142 ms 108416 KB
1_06.txt AC 178 ms 108416 KB
1_07.txt AC 184 ms 108416 KB
1_08.txt AC 97 ms 108416 KB
1_09.txt AC 95 ms 108416 KB
1_10.txt AC 94 ms 108416 KB
1_11.txt AC 92 ms 108416 KB
1_12.txt AC 93 ms 108416 KB
1_13.txt AC 93 ms 108416 KB
1_14.txt AC 94 ms 108416 KB
1_15.txt AC 96 ms 108416 KB
1_16.txt AC 95 ms 108416 KB
1_17.txt AC 100 ms 108416 KB
1_18.txt AC 103 ms 108416 KB
1_19.txt AC 106 ms 108416 KB
1_20.txt AC 105 ms 108416 KB
1_21.txt AC 108 ms 108416 KB
1_22.txt AC 124 ms 108416 KB
1_23.txt AC 124 ms 108416 KB
1_24.txt AC 141 ms 108416 KB
1_25.txt AC 152 ms 108416 KB
1_26.txt AC 165 ms 108416 KB
1_27.txt AC 188 ms 108416 KB
1_28.txt AC 186 ms 108416 KB
1_29.txt AC 185 ms 108416 KB
1_30.txt AC 174 ms 108416 KB
1_31.txt AC 172 ms 108416 KB
1_32.txt AC 173 ms 108416 KB
1_33.txt AC 83 ms 108416 KB
1_34.txt AC 84 ms 107520 KB
1_35.txt AC 92 ms 107776 KB
1_36.txt AC 93 ms 107392 KB
1_37.txt AC 98 ms 107648 KB
1_38.txt AC 104 ms 108416 KB
1_39.txt AC 108 ms 108416 KB
1_40.txt AC 114 ms 107776 KB
1_41.txt AC 128 ms 108416 KB
1_42.txt AC 123 ms 107520 KB
1_43.txt AC 134 ms 108416 KB
1_44.txt AC 134 ms 108288 KB
1_45.txt AC 135 ms 108032 KB
1_46.txt AC 142 ms 108288 KB
1_47.txt AC 146 ms 107648 KB
1_48.txt AC 164 ms 108416 KB
1_49.txt AC 133 ms 108416 KB
1_50.txt AC 155 ms 108416 KB
1_51.txt AC 114 ms 108416 KB
1_52.txt AC 153 ms 108416 KB
1_53.txt AC 106 ms 108416 KB
1_54.txt AC 155 ms 108416 KB
1_55.txt AC 118 ms 108416 KB
1_56.txt AC 149 ms 108416 KB
1_57.txt AC 109 ms 108416 KB
1_58.txt AC 131 ms 108416 KB
1_59.txt AC 175 ms 108416 KB
1_60.txt AC 132 ms 108416 KB
1_61.txt AC 125 ms 108416 KB
1_62.txt AC 89 ms 108416 KB
1_63.txt AC 125 ms 108416 KB