Compilare: main.cpp: In function 'int main()': main.cpp:6:9: warning: unused variable 'a' [-Wunused-variable] int a, b, c, x, y, div, cont=0, i; ^ main.cpp:6:15: warning: unused variable 'c' [-Wunused-variable] int a, b, c, x, y, div, cont=0, i; ^ main.cpp:6:18: warning: unused variable 'x' [-Wunused-variable] int a, b, c, x, y, div, cont=0, i; ^ main.cpp:6:21: warning: unused variable 'y' [-Wunused-variable] int a, b, c, x, y, div, cont=0, i; ^ main.cpp:6:24: warning: unused variable 'div' [-Wunused-variable] int a, b, c, x, y, div, cont=0, i; ^~~ main.cpp:12:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &b); ^