/in/foo.cc: In function 'int main()':
/in/foo.cc:32:14: warning: unused variable 't' [-Wunused-variable]
  long long n,t,i,j,count=1;
              ^
/in/foo.cc:32:18: warning: unused variable 'j' [-Wunused-variable]
  long long n,t,i,j,count=1;
                  ^
/tmp/ccWqALFi.o: In function `_GLOBAL__sub_I_a':
foo.cc:(.text.startup+0xd3): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0xf1): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status