vopsea.cpp: In function `int main()': vopsea.cpp:6: declaration does not declare anything vopsea.cpp:7: `n' undeclared (first use this function) vopsea.cpp:7: (Each undeclared identifier is reported only once for each function it appears in.) vopsea.cpp:7: `m' undeclared (first use this function) vopsea.cpp:8: `i' undeclared (first use this function) vopsea.cpp:9: `j' undeclared (first use this function) vopsea.cpp:10: `a' undeclared (first use this function) vopsea.cpp:11: `t' undeclared (first use this function) vopsea.cpp:13: `v' undeclared (first use this function) vopsea.cpp:17: `w' undeclared (first use this function) vopsea.cpp:18: parse error at end of input