Submission #1592030


Source Code Expand

#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;

const int MAX_N = 100005;
typedef long long i64;

int R[MAX_N], X, K, Q;

void get(i64 &temp) {
  if (temp < 0) temp = 0;
  if (temp > X) temp = X;
}

int main() {
  scanf("%d%d", &X, &K);
  for (int i = 1; i <= K; ++i)
    scanf("%d", &R[i]);

  scanf("%d", &Q);

  i64 sum = 0, mul = -1;
  i64 mn = 0, mx = X;
  int l = 1;
  
  while (Q--) {
    int T;
    i64 A;
    scanf("%d%lld", &T, &A);
    while (l <= K && R[l] <= T) {
      sum += (R[l] - R[l - 1]) * mul;
      mn += (R[l] - R[l - 1]) * mul;
      mx += (R[l] - R[l - 1]) * mul;
      get(mn), get(mx), mul = -mul;
      l++;
    }
    
    A += sum;
    if (A < mn) A = mn;
    if (A > mx) A = mx;
    A += (T - R[l - 1]) * mul;
    
    get(A);
    printf("%lld\n", A);
  }
  
  return 0;
}

Submission Info

Submission Time
Task F - Sandglass
User kiiiiii
Language C++14 (GCC 5.4.1)
Score 700
Code Size 884 Byte
Status AC
Exec Time 47 ms
Memory 1536 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &X, &K);
                        ^
./Main.cpp:19:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &R[i]);
                       ^
./Main.cpp:21:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &Q);
                  ^
./Main.cpp:30:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%lld", &T, &A);
                            ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 3
AC × 42
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 1_026.txt, 1_027.txt, 1_028.txt, 1_029.txt, 1_030.txt, 1_031.txt, 1_032.txt, 1_033.txt, 1_034.txt, 1_035.txt, 1_036.txt, 1_037.txt, 1_038.txt, 1_039.txt, 1_040.txt, 1_041.txt
Case Name Status Exec Time Memory
0_000.txt AC 0 ms 128 KB
0_001.txt AC 0 ms 128 KB
0_002.txt AC 0 ms 128 KB
1_003.txt AC 38 ms 768 KB
1_004.txt AC 40 ms 768 KB
1_005.txt AC 42 ms 768 KB
1_006.txt AC 37 ms 768 KB
1_007.txt AC 40 ms 768 KB
1_008.txt AC 42 ms 768 KB
1_009.txt AC 38 ms 768 KB
1_010.txt AC 40 ms 768 KB
1_011.txt AC 42 ms 896 KB
1_012.txt AC 38 ms 896 KB
1_013.txt AC 40 ms 896 KB
1_014.txt AC 44 ms 896 KB
1_015.txt AC 39 ms 1024 KB
1_016.txt AC 41 ms 1024 KB
1_017.txt AC 44 ms 1024 KB
1_018.txt AC 40 ms 1152 KB
1_019.txt AC 42 ms 1152 KB
1_020.txt AC 44 ms 1152 KB
1_021.txt AC 40 ms 1024 KB
1_022.txt AC 42 ms 1280 KB
1_023.txt AC 45 ms 1152 KB
1_024.txt AC 41 ms 1024 KB
1_025.txt AC 43 ms 1280 KB
1_026.txt AC 45 ms 1280 KB
1_027.txt AC 42 ms 1024 KB
1_028.txt AC 43 ms 1152 KB
1_029.txt AC 46 ms 1408 KB
1_030.txt AC 44 ms 1152 KB
1_031.txt AC 44 ms 1152 KB
1_032.txt AC 47 ms 1536 KB
1_033.txt AC 32 ms 1024 KB
1_034.txt AC 32 ms 896 KB
1_035.txt AC 44 ms 1280 KB
1_036.txt AC 34 ms 1024 KB
1_037.txt AC 34 ms 1024 KB
1_038.txt AC 46 ms 1408 KB
1_039.txt AC 34 ms 768 KB
1_040.txt AC 35 ms 1152 KB
1_041.txt AC 47 ms 1536 KB