ec.cpp: In function `int rad1(int, int, int, int)': ec.cpp:39: warning: initialization to `int' from `float' ec.cpp:39: warning: argument to `int' from `float' ec.cpp: In function `int rad2(int, int, int, int)': ec.cpp:50: warning: initialization to `int' from `float' ec.cpp:50: warning: argument to `int' from `float' ec.cpp: In function `int main()': ec.cpp:96: warning: suggest parentheses around assignment used as truth value