Compilare: main.cpp: In function 'int main()': main.cpp:10:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] f>>s2+1>>s1+1; ~~^~ main.cpp:10:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] f>>s2+1>>s1+1; ~~^~ main.cpp:9:25: warning: unused variable 's' [-Wunused-variable] int n=1,m=1,i,k,poz,s=0; ^