Submission #1725767
Source Code Expand
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key typedef long long ll; typedef pair<int,int> ii; typedef vector<int> vi; typedef long double ld; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; typedef set<int>::iterator sit; typedef map<int,int>::iterator mit; typedef vector<int>::iterator vit; string s; int nxt[27][500011]; const int INF = int(1e9); int st[19][500011]; void init() { for(int i=0;i<=s.length();i++) st[0][i] = nxt[26][i]; for(int i=1;i<19;i++) { for(int j = 0; j <= s.length(); j++) { st[i][j]=INF; if(st[i-1][j]<INF) { st[i][j]=st[i-1][st[i-1][j]]; } } } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin>>s; int n = s.length(); for(int i=0;i<26;i++) nxt[i][n]=INF; nxt[26][n] = n; for(int i = n - 1; i >= 0; i--) { for(int j=0;j<=26;j++) nxt[j][i]=INF; nxt[s[i]-'a'][i] = i + 1; for(int j = s[i]-'a'+1; j <= 26; j++) { if(nxt[j-1][i]>=INF) nxt[j][i]=INF; else nxt[j][i]=nxt[j-1][nxt[j-1][i]]; } if(nxt[26][i]<INF) { for(int j=0;j<s[i]-'a';j++) { nxt[j][i]=nxt[j][nxt[26][i]]; } } } init(); int q; cin>>q; for(int i=0;i<q;i++) { int l,r;cin>>l>>r; l--; int cur=l; for(int j=18;j>=0;j--) { if(st[j][cur]<=r) { cur=st[j][cur]; } } cout<<(cur==r?"Yes":"No")<<'\n'; } }
Submission Info
Submission Time | |
---|---|
Task | C - Robot and String |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 1300 |
Code Size | 1585 Byte |
Status | AC |
Exec Time | 287 ms |
Memory | 91164 KB |
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 | 42 ms | 86268 KB |
0_01.txt | AC | 27 ms | 86272 KB |
0_02.txt | AC | 27 ms | 86272 KB |
1_00.txt | AC | 48 ms | 86528 KB |
1_01.txt | AC | 48 ms | 86528 KB |
1_02.txt | AC | 287 ms | 91036 KB |
1_03.txt | AC | 244 ms | 91036 KB |
1_04.txt | AC | 257 ms | 91036 KB |
1_05.txt | AC | 266 ms | 91036 KB |
1_06.txt | AC | 210 ms | 91036 KB |
1_07.txt | AC | 217 ms | 91036 KB |
1_08.txt | AC | 234 ms | 91036 KB |
1_09.txt | AC | 235 ms | 91036 KB |
1_10.txt | AC | 235 ms | 91036 KB |
1_11.txt | AC | 235 ms | 91036 KB |
1_12.txt | AC | 231 ms | 91036 KB |
1_13.txt | AC | 238 ms | 91036 KB |
1_14.txt | AC | 245 ms | 91036 KB |
1_15.txt | AC | 254 ms | 91036 KB |
1_16.txt | AC | 244 ms | 91036 KB |
1_17.txt | AC | 259 ms | 91036 KB |
1_18.txt | AC | 251 ms | 91036 KB |
1_19.txt | AC | 253 ms | 91036 KB |
1_20.txt | AC | 257 ms | 91036 KB |
1_21.txt | AC | 257 ms | 91036 KB |
1_22.txt | AC | 256 ms | 91036 KB |
1_23.txt | AC | 255 ms | 91164 KB |
1_24.txt | AC | 262 ms | 91036 KB |
1_25.txt | AC | 246 ms | 91036 KB |
1_26.txt | AC | 233 ms | 91036 KB |
1_27.txt | AC | 220 ms | 91036 KB |
1_28.txt | AC | 209 ms | 91036 KB |
1_29.txt | AC | 213 ms | 91036 KB |
1_30.txt | AC | 205 ms | 91036 KB |
1_31.txt | AC | 205 ms | 91036 KB |
1_32.txt | AC | 207 ms | 91036 KB |
1_33.txt | AC | 153 ms | 91036 KB |
1_34.txt | AC | 215 ms | 90908 KB |
1_35.txt | AC | 227 ms | 91036 KB |
1_36.txt | AC | 236 ms | 90908 KB |
1_37.txt | AC | 228 ms | 91036 KB |
1_38.txt | AC | 241 ms | 91036 KB |
1_39.txt | AC | 285 ms | 91036 KB |
1_40.txt | AC | 255 ms | 91036 KB |
1_41.txt | AC | 232 ms | 91036 KB |
1_42.txt | AC | 199 ms | 91036 KB |
1_43.txt | AC | 202 ms | 91036 KB |
1_44.txt | AC | 188 ms | 91036 KB |
1_45.txt | AC | 188 ms | 91036 KB |
1_46.txt | AC | 210 ms | 91036 KB |
1_47.txt | AC | 174 ms | 91036 KB |
1_48.txt | AC | 198 ms | 91036 KB |
1_49.txt | AC | 221 ms | 91036 KB |
1_50.txt | AC | 245 ms | 91036 KB |
1_51.txt | AC | 262 ms | 91036 KB |
1_52.txt | AC | 237 ms | 91036 KB |
1_53.txt | AC | 186 ms | 91036 KB |
1_54.txt | AC | 276 ms | 91036 KB |
1_55.txt | AC | 258 ms | 91036 KB |
1_56.txt | AC | 230 ms | 91036 KB |
1_57.txt | AC | 175 ms | 91036 KB |
1_58.txt | AC | 210 ms | 91036 KB |
1_59.txt | AC | 207 ms | 91036 KB |
1_60.txt | AC | 166 ms | 91036 KB |
1_61.txt | AC | 223 ms | 91036 KB |
1_62.txt | AC | 188 ms | 91036 KB |
1_63.txt | AC | 172 ms | 91036 KB |