View Compilation Error

0_0_39497172_15199.cpp: In function 'int re()':
0_0_39497172_15199.cpp:8:26: error: redeclaration of 'int x'
    8 |     char c=getchar();int x=0;
      |                          ^
0_0_39497172_15199.cpp:7:9: note: 'int x' previously declared here
    7 |     int x;scanf("%d",&x);return x;
      |         ^