patrate7.cpp: In function `int main()': patrate7.cpp:25: call of overloaded `sqrt(int)' is ambiguous /usr/include/bits/mathinline.h:441: candidates are: double sqrt(double) /usr/include/c++/3.2.2/cmath:465: long double std::sqrt(long double) /usr/include/c++/3.2.2/cmath:461: float std::sqrt(float) patrate7.cpp:27: call of overloaded `sqrt(int)' is ambiguous /usr/include/bits/mathinline.h:441: candidates are: double sqrt(double) /usr/include/c++/3.2.2/cmath:465: long double std::sqrt(long double) /usr/include/c++/3.2.2/cmath:461: float std::sqrt(float) patrate7.cpp:41: warning: name lookup of `i' changed patrate7.cpp:8: warning: matches this `i' under ISO standard rules patrate7.cpp:32: warning: matches this `i' under old rules