Submission #1225702
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int MAXSIZE=20000020; const int maxn=500001; int bufpos; char buf[MAXSIZE]; void init(){ buf[fread(buf,1,MAXSIZE,stdin)]='\0'; bufpos=0; } int readint(){ bool isneg; int val=0; for(;!isdigit(buf[bufpos]) && buf[bufpos]!='-';bufpos++); bufpos+=(isneg=(buf[bufpos]=='-'))?1:0; for(;isdigit(buf[bufpos]);bufpos++) val=val*10+buf[bufpos]-'0'; return isneg?-val:val; } char readchar(){ for(;isspace(buf[bufpos]);bufpos++); return buf[bufpos++]; } int readstr(char* s){ int cur=0; for(;isspace(buf[bufpos]);bufpos++); for(;!isspace(buf[bufpos]);bufpos++) s[cur++]=buf[bufpos]; s[cur]='\0'; return cur; } char s[maxn]; int f[maxn][30],dp[maxn][30]; int main(){ init(); int n=readstr(s+1); for(int i=1;i<=n;i++) s[i]-='a'; for(int i=n;i;i--){ f[i][s[i]]=i+1; for(int j=s[i]+1;j<=26;j++) f[i][j]=f[f[i][j-1]][j-1]; for(int j=0;j<s[i];j++) f[i][j]=f[f[i][26]][j]; } for(int i=n;i;i--){ dp[i][0]=f[i][26]; for(int j=1;j<=20;j++) dp[i][j]=dp[dp[i][j-1]][j-1]; } int q=readint(); while(q--){ int l=readint(),r=readint(); for(int i=20;i>=0;i--) if (dp[l][i]<=r+1 && dp[l][i]) l=dp[l][i]; if (l==r+1) puts("YES"); else puts("NO"); } }
Submission Info
Submission Time | |
---|---|
Task | C - Robot and String |
User | q234rty |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1356 Byte |
Status | RE |
Exec Time | 159 ms |
Memory | 123520 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1300 | ||||||
Status |
|
|
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 | WA | 2 ms | 6400 KB |
0_01.txt | WA | 2 ms | 6400 KB |
0_02.txt | WA | 2 ms | 6400 KB |
1_00.txt | WA | 13 ms | 6656 KB |
1_01.txt | WA | 13 ms | 6656 KB |
1_02.txt | WA | 145 ms | 123392 KB |
1_03.txt | RE | 99 ms | 6400 KB |
1_04.txt | RE | 98 ms | 6400 KB |
1_05.txt | RE | 99 ms | 6400 KB |
1_06.txt | RE | 99 ms | 6400 KB |
1_07.txt | RE | 101 ms | 6400 KB |
1_08.txt | RE | 99 ms | 6400 KB |
1_09.txt | RE | 98 ms | 6400 KB |
1_10.txt | RE | 98 ms | 6400 KB |
1_11.txt | RE | 99 ms | 6400 KB |
1_12.txt | RE | 99 ms | 6400 KB |
1_13.txt | RE | 100 ms | 6400 KB |
1_14.txt | RE | 101 ms | 6400 KB |
1_15.txt | RE | 101 ms | 6400 KB |
1_16.txt | RE | 99 ms | 6400 KB |
1_17.txt | RE | 98 ms | 6400 KB |
1_18.txt | RE | 100 ms | 6400 KB |
1_19.txt | RE | 100 ms | 6400 KB |
1_20.txt | RE | 98 ms | 6400 KB |
1_21.txt | RE | 99 ms | 6400 KB |
1_22.txt | RE | 99 ms | 6400 KB |
1_23.txt | RE | 100 ms | 6400 KB |
1_24.txt | RE | 100 ms | 6400 KB |
1_25.txt | RE | 98 ms | 6400 KB |
1_26.txt | RE | 98 ms | 6400 KB |
1_27.txt | RE | 101 ms | 6400 KB |
1_28.txt | RE | 98 ms | 6400 KB |
1_29.txt | RE | 100 ms | 6400 KB |
1_30.txt | RE | 99 ms | 6400 KB |
1_31.txt | RE | 99 ms | 6400 KB |
1_32.txt | RE | 98 ms | 6400 KB |
1_33.txt | WA | 111 ms | 123520 KB |
1_34.txt | WA | 97 ms | 123392 KB |
1_35.txt | WA | 99 ms | 123392 KB |
1_36.txt | WA | 98 ms | 123392 KB |
1_37.txt | WA | 101 ms | 123392 KB |
1_38.txt | WA | 104 ms | 123392 KB |
1_39.txt | WA | 108 ms | 123392 KB |
1_40.txt | WA | 108 ms | 123392 KB |
1_41.txt | WA | 119 ms | 123392 KB |
1_42.txt | WA | 116 ms | 123392 KB |
1_43.txt | WA | 119 ms | 123392 KB |
1_44.txt | WA | 118 ms | 123392 KB |
1_45.txt | WA | 120 ms | 123392 KB |
1_46.txt | WA | 126 ms | 123392 KB |
1_47.txt | WA | 124 ms | 123520 KB |
1_48.txt | WA | 137 ms | 123520 KB |
1_49.txt | WA | 144 ms | 123520 KB |
1_50.txt | WA | 159 ms | 123520 KB |
1_51.txt | WA | 123 ms | 123392 KB |
1_52.txt | WA | 144 ms | 123520 KB |
1_53.txt | WA | 123 ms | 123392 KB |
1_54.txt | RE | 99 ms | 6400 KB |
1_55.txt | RE | 99 ms | 6400 KB |
1_56.txt | RE | 99 ms | 6400 KB |
1_57.txt | RE | 98 ms | 6400 KB |
1_58.txt | RE | 99 ms | 6400 KB |
1_59.txt | RE | 99 ms | 6400 KB |
1_60.txt | RE | 100 ms | 6400 KB |
1_61.txt | RE | 98 ms | 6400 KB |
1_62.txt | RE | 99 ms | 6400 KB |
1_63.txt | WA | 125 ms | 123520 KB |