View Compilation Error

0_0_33986096_18718.cpp: In function 'int main()':
0_0_33986096_18718.cpp:46:19: error: 'i' was not declared in this scope
   for(int tgsdf=1;i<=t;++tgsdf){
                   ^
0_0_33986096_18718.cpp:46:22: error: 't' was not declared in this scope
   for(int tgsdf=1;i<=t;++tgsdf){
                      ^