trei.cpp:4: warning: ISO C++ forbids declaration of `main' with no type trei.cpp: In function `int main()': trei.cpp:7: warning: int format, long int arg (arg 2) trei.cpp:10: warning: int format, long int arg (arg 2) trei.cpp:26: warning: int format, long int arg (arg 2) trei.cpp:31: warning: int format, long int arg (arg 2) trei.cpp:31: warning: int format, long int arg (arg 3) trei.cpp:31: warning: int format, long int arg (arg 4) trei.cpp:33: warning: int format, long int arg (arg 2) trei.cpp:33: warning: int format, long int arg (arg 3) trei.cpp:39: warning: int format, long int arg (arg 2) trei.cpp:39: warning: int format, long int arg (arg 3) trei.cpp:39: warning: int format, long int arg (arg 4) trei.cpp:41: warning: int format, long int arg (arg 2) trei.cpp:41: warning: int format, long int arg (arg 3) trei.cpp:43:2: warning: no newline at end of file