Compilare: main.cpp: In function 'void melt(int, int)': main.cpp:75:12: warning: unused variable 'j' [-Wunused-variable] int i, j, jay, g,h ; ^ main.cpp: In function 'void solv()': main.cpp:112:16: warning: unused variable 'x' [-Wunused-variable] int i, j, x; ^ main.cpp: In function 'int main()': main.cpp:170:16: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x; ^