Submission #1229357


Source Code Expand

#include<cstring>
#include<cstdlib>
#include<cstdio>
#include<cmath>
#include<iostream>
#define N 510000
using namespace std;
struct node{int y,nex;}a[N];
int nex[N][27],n,inf,id,fir[N],len,dfn[N],las[N],m;
char s[N];
void ins(int x,int y)
{
	a[++len].y=y;a[len].nex=fir[x];fir[x]=len;
}
void dfs(int x)
{
	dfn[x]=++id;
	for(int k=fir[x];k;k=a[k].nex)
	{
		int y=a[k].y;
		dfs(y);
	}
	las[x]=id;
}
int main()
{
	scanf("%s",s+1);
	n=strlen(s+1);inf=n+2;
	for(int i=0;i<=26;i++) nex[n][i]=nex[n+1][i]=nex[n+2][i]=inf;
	nex[n][s[n]-'a'+1]=n+1;
	ins(n+2,n+1);
	for(int i=n-1;i>=1;i--)
	{
		int c=s[i]-'a'+1;
		nex[i][c]=i+1;
		for(int j=c+1;j<=26;j++) nex[i][j]=nex[nex[i][j-1]][j-1];
		nex[i][0]=nex[nex[i][26]][26];
		for(int j=1;j<c;j++) nex[i][j]=nex[nex[i][0]][j];
		ins(nex[i][0],i);
	}
	dfs(n+2);
	scanf("%d",&m);
	while(m--)
	{
		int l,r;scanf("%d%d",&l,&r);
		r++;
		if(dfn[r]<=dfn[l] && las[r]>=dfn[l]) printf("Yes\n");
		else printf("No\n");
	}
	return 0;
}

Submission Info

Submission Time
Task C - Robot and String
User la1la1la
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1014 Byte
Status WA
Exec Time 111 ms
Memory 72576 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s+1);
                 ^
./Main.cpp:42:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&m);
                ^
./Main.cpp:45:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int l,r;scanf("%d%d",&l,&r);
                              ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1300
Status
AC × 3
AC × 57
WA × 10
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 3 ms 8448 KB
0_01.txt AC 3 ms 8448 KB
0_02.txt AC 3 ms 8448 KB
1_00.txt AC 18 ms 8704 KB
1_01.txt AC 18 ms 8704 KB
1_02.txt AC 110 ms 64640 KB
1_03.txt AC 109 ms 64640 KB
1_04.txt AC 111 ms 64768 KB
1_05.txt AC 109 ms 64768 KB
1_06.txt AC 60 ms 68736 KB
1_07.txt AC 60 ms 72576 KB
1_08.txt AC 69 ms 64768 KB
1_09.txt AC 68 ms 64768 KB
1_10.txt AC 68 ms 64768 KB
1_11.txt AC 68 ms 64768 KB
1_12.txt AC 68 ms 64768 KB
1_13.txt AC 65 ms 64768 KB
1_14.txt AC 65 ms 64768 KB
1_15.txt AC 67 ms 64768 KB
1_16.txt AC 65 ms 64768 KB
1_17.txt AC 66 ms 64768 KB
1_18.txt AC 66 ms 64768 KB
1_19.txt AC 69 ms 64768 KB
1_20.txt AC 68 ms 64768 KB
1_21.txt AC 70 ms 64768 KB
1_22.txt AC 69 ms 64768 KB
1_23.txt AC 68 ms 64768 KB
1_24.txt AC 69 ms 64768 KB
1_25.txt WA 71 ms 64768 KB
1_26.txt WA 70 ms 64768 KB
1_27.txt WA 65 ms 64896 KB
1_28.txt WA 63 ms 65024 KB
1_29.txt WA 61 ms 65280 KB
1_30.txt WA 61 ms 65792 KB
1_31.txt AC 59 ms 66688 KB
1_32.txt AC 60 ms 68736 KB
1_33.txt AC 80 ms 64768 KB
1_34.txt AC 60 ms 64640 KB
1_35.txt AC 60 ms 64640 KB
1_36.txt AC 57 ms 62464 KB
1_37.txt AC 57 ms 64640 KB
1_38.txt AC 58 ms 64768 KB
1_39.txt AC 57 ms 64768 KB
1_40.txt WA 57 ms 64768 KB
1_41.txt WA 58 ms 65152 KB
1_42.txt WA 57 ms 64896 KB
1_43.txt AC 60 ms 65408 KB
1_44.txt AC 60 ms 65280 KB
1_45.txt AC 60 ms 65536 KB
1_46.txt AC 58 ms 65920 KB
1_47.txt AC 62 ms 66432 KB
1_48.txt WA 58 ms 67712 KB
1_49.txt AC 108 ms 64768 KB
1_50.txt AC 85 ms 68736 KB
1_51.txt AC 88 ms 64768 KB
1_52.txt AC 85 ms 66688 KB
1_53.txt AC 96 ms 64768 KB
1_54.txt AC 84 ms 68736 KB
1_55.txt AC 89 ms 64768 KB
1_56.txt AC 83 ms 66688 KB
1_57.txt AC 95 ms 64768 KB
1_58.txt AC 65 ms 68608 KB
1_59.txt AC 62 ms 70656 KB
1_60.txt AC 72 ms 68736 KB
1_61.txt AC 62 ms 66688 KB
1_62.txt AC 74 ms 64768 KB
1_63.txt AC 72 ms 66688 KB