Submission #3713482


Source Code Expand

#include<bits/stdc++.h>

using namespace std;

const int INF = 1 << 29;

int dp[500001][27];
int nxt[20][500001];

int main() {
  string s;
  cin >> s;
  for(auto &c : s) c -= 'a';

  fill_n(*dp, 500001 * 26, INF);
  for(int i = (int) s.size() - 1; i >= 0; i--) {
    dp[i][s[i]] = i + 1;
    for(int j = s[i] + 1; j <= 26; j++) {
      if(dp[i][j - 1] == INF) break;
      dp[i][j] = dp[dp[i][j - 1]][j - 1];
    }
    if(dp[i][26] != INF) {
      for(int j = 0; j < s[i]; j++) dp[i][j] = dp[dp[i][26]][j];
    }
  }

  fill_n(*nxt, 20 * 500001, INF);
  for(int i = 0; i < s.size(); i++) {
    nxt[0][i] = dp[i][26];
  }
  for(int i = 1; i < 20; i++) {
    for(int j = 0; j < s.size(); j++) {
      if(nxt[i - 1][j] == INF) continue;
      nxt[i][j] = nxt[i - 1][nxt[i - 1][j]];
    }
  }

  int Q;
  cin >> Q;
  while(Q--) {
    int L, R;
    cin >> L >> R;
    --L;
    int pos = L;
    for(int i = 19; i >= 0; i--) {
      if(nxt[i][pos] <= R) pos = nxt[i][pos];
    }
    if(pos == R) cout << "Yes\n";
    else cout << "No\n";
  }

}

Submission Info

Submission Time
Task C - Robot and String
User ei13333
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1089 Byte
Status WA
Exec Time 490 ms
Memory 93060 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1300
Status
AC × 3
AC × 8
WA × 59
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 30 ms 90368 KB
0_01.txt AC 30 ms 90368 KB
0_02.txt AC 30 ms 90368 KB
1_00.txt AC 239 ms 90752 KB
1_01.txt AC 239 ms 90624 KB
1_02.txt AC 442 ms 92932 KB
1_03.txt AC 445 ms 92932 KB
1_04.txt WA 434 ms 93060 KB
1_05.txt WA 439 ms 92932 KB
1_06.txt WA 422 ms 92932 KB
1_07.txt WA 426 ms 93060 KB
1_08.txt WA 417 ms 93060 KB
1_09.txt WA 418 ms 93060 KB
1_10.txt WA 420 ms 93060 KB
1_11.txt WA 426 ms 93060 KB
1_12.txt WA 423 ms 93060 KB
1_13.txt WA 435 ms 92932 KB
1_14.txt WA 455 ms 93060 KB
1_15.txt WA 441 ms 93060 KB
1_16.txt WA 413 ms 93060 KB
1_17.txt WA 446 ms 93060 KB
1_18.txt WA 435 ms 93060 KB
1_19.txt WA 427 ms 93060 KB
1_20.txt WA 442 ms 93060 KB
1_21.txt WA 429 ms 93060 KB
1_22.txt WA 441 ms 93060 KB
1_23.txt WA 452 ms 93060 KB
1_24.txt WA 429 ms 93060 KB
1_25.txt WA 431 ms 93060 KB
1_26.txt WA 427 ms 93060 KB
1_27.txt WA 478 ms 93060 KB
1_28.txt WA 411 ms 93060 KB
1_29.txt WA 390 ms 92932 KB
1_30.txt WA 390 ms 92932 KB
1_31.txt WA 407 ms 92932 KB
1_32.txt WA 413 ms 93060 KB
1_33.txt WA 371 ms 92932 KB
1_34.txt WA 469 ms 91524 KB
1_35.txt WA 439 ms 92420 KB
1_36.txt AC 427 ms 91268 KB
1_37.txt WA 426 ms 92292 KB
1_38.txt WA 429 ms 92932 KB
1_39.txt WA 405 ms 92932 KB
1_40.txt WA 425 ms 92420 KB
1_41.txt WA 410 ms 92932 KB
1_42.txt WA 419 ms 92036 KB
1_43.txt WA 406 ms 92932 KB
1_44.txt WA 402 ms 92932 KB
1_45.txt WA 437 ms 92676 KB
1_46.txt WA 448 ms 92804 KB
1_47.txt WA 406 ms 92292 KB
1_48.txt WA 430 ms 92932 KB
1_49.txt WA 403 ms 92932 KB
1_50.txt WA 409 ms 93060 KB
1_51.txt WA 406 ms 93060 KB
1_52.txt WA 490 ms 93060 KB
1_53.txt WA 387 ms 93060 KB
1_54.txt WA 450 ms 93060 KB
1_55.txt WA 442 ms 93060 KB
1_56.txt WA 431 ms 93060 KB
1_57.txt WA 385 ms 93060 KB
1_58.txt WA 408 ms 93060 KB
1_59.txt WA 441 ms 93060 KB
1_60.txt WA 370 ms 93060 KB
1_61.txt WA 428 ms 93060 KB
1_62.txt WA 373 ms 93060 KB
1_63.txt WA 370 ms 93060 KB