Submission #38617060

Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, K;
  cin >> N >> K;
  int64_t A[N];
  for (int n = 0; n < N; ++n) {
    cin >> A[n];
  }
  
  int64_t sum[N];
  for (int n = 0; n < N; ++n) {
    sum[n] = A[n];
    if (n >= K) {
      sum[n] += sum[n - K];
    }
  }

  int Q;
  cin >> Q;
  for (int q = 0; q < Q; ++q) {
    int l, r;
    cin >> l >> r;
    --l, --r;
    bool ans = true;
    int i = l, j = r;
    while ((i % K) != (j % K)) --j;
    int64_t s = sum[j] - sum[i] + A[i];
    for (++i; ans && (i % K) != (l % K); ++i) {
      ++j;
      if (j > r) j -= K;
      if (s != sum[j] - sum[i] + A[i]) ans = false;
    }
    if (ans) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}

Submission Info

Submission Time
Task D - Range Add Query
User Steinberg
Language C++ (GCC 9.2.1)
Score 400
Code Size 786 Byte
Status AC
Exec Time 448 ms
Memory 6748 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 2
AC × 46
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt AC 339 ms 3516 KiB
001.txt AC 436 ms 6480 KiB
002.txt AC 411 ms 6540 KiB
003.txt AC 443 ms 6480 KiB
004.txt AC 422 ms 6664 KiB
005.txt AC 421 ms 6672 KiB
006.txt AC 437 ms 6664 KiB
007.txt AC 436 ms 6640 KiB
008.txt AC 283 ms 5040 KiB
009.txt AC 294 ms 4120 KiB
010.txt AC 191 ms 4776 KiB
011.txt AC 439 ms 6540 KiB
012.txt AC 439 ms 6656 KiB
013.txt AC 448 ms 6604 KiB
014.txt AC 432 ms 6532 KiB
015.txt AC 437 ms 6540 KiB
016.txt AC 439 ms 6696 KiB
017.txt AC 433 ms 6540 KiB
018.txt AC 437 ms 6664 KiB
019.txt AC 443 ms 6640 KiB
020.txt AC 433 ms 6524 KiB
021.txt AC 437 ms 6688 KiB
022.txt AC 437 ms 6536 KiB
023.txt AC 433 ms 6664 KiB
024.txt AC 438 ms 6540 KiB
025.txt AC 443 ms 6748 KiB
026.txt AC 434 ms 6540 KiB
027.txt AC 439 ms 6664 KiB
028.txt AC 441 ms 6656 KiB
029.txt AC 441 ms 6644 KiB
030.txt AC 439 ms 6632 KiB
031.txt AC 439 ms 6604 KiB
032.txt AC 435 ms 6632 KiB
033.txt AC 440 ms 6640 KiB
034.txt AC 439 ms 6484 KiB
035.txt AC 436 ms 6668 KiB
036.txt AC 434 ms 6656 KiB
037.txt AC 440 ms 6672 KiB
038.txt AC 434 ms 6480 KiB
039.txt AC 436 ms 6692 KiB
040.txt AC 439 ms 6724 KiB
041.txt AC 434 ms 6656 KiB
042.txt AC 434 ms 6748 KiB
043.txt AC 434 ms 6692 KiB
example0.txt AC 7 ms 3624 KiB
example1.txt AC 2 ms 3568 KiB