Submission #1133968


Source Code Expand

#include<stdio.h>
int main(){
  int n,c,M=1e9+7,i,d;
  long long s=1;
  scanf("%d",&n);
  for(i=c=0;i<n;i++){
    scanf("%d",&d);
    c++;
    if(d<c*2-1){
      s=(s*c)%M;
      c--;
    }
  }
  for(;c;c--)s=(s*c)%M;
  printf("%lld\n",s);
  return 0;
}

Submission Info

Submission Time
Task A - Robot Racing
User yuiop
Language C (GCC 5.4.1)
Score 900
Code Size 271 Byte
Status AC
Exec Time 14 ms
Memory 128 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ^
./Main.c:7:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&d);
     ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 500 / 500 400 / 400
Status
AC × 4
AC × 14
AC × 28
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
Subtask 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
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.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, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt
Case Name Status Exec Time Memory
0_00.txt AC 0 ms 128 KB
0_01.txt AC 0 ms 128 KB
0_02.txt AC 1 ms 128 KB
0_03.txt AC 0 ms 128 KB
1_00.txt AC 0 ms 128 KB
1_01.txt AC 0 ms 128 KB
1_02.txt AC 0 ms 128 KB
1_03.txt AC 1 ms 128 KB
1_04.txt AC 1 ms 128 KB
1_05.txt AC 0 ms 128 KB
1_06.txt AC 0 ms 128 KB
1_07.txt AC 1 ms 128 KB
1_08.txt AC 0 ms 128 KB
1_09.txt AC 1 ms 128 KB
1_10.txt AC 0 ms 128 KB
2_00.txt AC 11 ms 128 KB
2_01.txt AC 11 ms 128 KB
2_02.txt AC 13 ms 128 KB
2_03.txt AC 11 ms 128 KB
2_04.txt AC 11 ms 128 KB
2_05.txt AC 11 ms 128 KB
2_06.txt AC 11 ms 128 KB
2_07.txt AC 11 ms 128 KB
2_08.txt AC 11 ms 128 KB
2_09.txt AC 11 ms 128 KB
2_10.txt AC 11 ms 128 KB
2_11.txt AC 14 ms 128 KB
2_12.txt AC 13 ms 128 KB