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 |
|
|
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 |