View Compilation Error

0_0_22465089_21230.cpp: In function 'int main()':
0_0_22465089_21230.cpp:41:3: error: expected initializer before 'scanf'
   scanf("%d", &t);
   ^
0_0_22465089_21230.cpp:42:9: error: 't' was not declared in this scope
   while(t--) {
         ^