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  1. #include <stdio.h>
  2.  
  3. main () {
  4.     int n;
  5.     scanf ("%d",&n);
  6.     long long ssmm, tsmm=0;
  7.     for (int i=1; i<=n; i++) {
  8.         ssmm=1;
  9.         for (int j=1; j<=i; j++) {
  10.             ssmm=ssmm*2;
  11.         }
  12.         tsmm=tsmm+ssmm;
  13.     }
  14.     printf ("%lld",tsmm);
  15. }
Success #stdin #stdout 0s 9432KB
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https://ideone.com/VNOQQE
o- ALGOPRO5 - Lucky number
language:
C (gcc 8.3)
created:
7 years ago
visibility:
secret

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