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  1. #include<stdio.h>
  2. #define MAX 100000L
  3.  
  4. int main()
  5. {
  6.    int  T;
  7.    unsigned long N,C,Q,L,R;
  8.    scanf("%d",&T);
  9.    for(;T>0;T--)
  10.    {
  11.      scanf("%lu%lu%lu",&N,&C,&Q);
  12.      if(N>MAX)
  13.        break;
  14.      if(C>N||C<1L)
  15.         break;
  16.      if(Q>10000L)
  17.        break;
  18.      for(;Q>0;Q--)
  19.      {
  20.         scanf("%lu%lu",&L,&R);
  21.         if(R>N||L>R||L<1L)
  22.           break;
  23.         for(;L<R;L++,R--)
  24.         {
  25.            if(C==L)
  26.              C=R;
  27.            else if(C==R)
  28.              C=L;
  29.         }
  30.      }
  31.      printf("%lu",C);
  32.    }
  33.   return 0;
  34. }
Success #stdin #stdout 0s 2296KB
comments (?)
stdin 
1
5 2 3
1 4
3 5
1 5
stdout 
1
https://ideone.com/2ujyNZ
pacing a character in sequence
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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