View Compilation Error

0_0_36176474_15614.cpp:396:14: error: empty character constant
         puts(''");
              ^
0_0_36176474_15614.cpp:396:9: error: missing terminating " character
         puts(''");
         ^
0_0_36176474_15614.cpp:418:11: error: empty character constant
     scanf(''%d",&T);
           ^
0_0_36176474_15614.cpp:418:5: error: missing terminating " character
     scanf(''%d",&T);
     ^
0_0_36176474_15614.cpp: In function 'int FFT::power(int, int)':
0_0_36176474_15614.cpp:30:15: error: 'i' was not declared in this scope
         if (y&i) s=1ll*s*x%mo;
               ^
0_0_36176474_15614.cpp: At global scope:
0_0_36176474_15614.cpp:34:1: error: 'voic' does not name a type
 voic FFTinit(){
 ^
0_0_36176474_15614.cpp:40:13: error: 'mt' was not declared in this scope
 int FFTinit(mt n){
             ^
0_0_36176474_15614.cpp:40:18: error: expected ',' or ';' before '{' token
 int FFTinit(mt n){
                  ^
0_0_36176474_15614.cpp:469:1: error: expected '}' at end of input
 }
 ^