Compilare: main.cpp: In function 'int main()': main.cpp:31:7: warning: unused variable 'aux' [-Wunused-variable] int aux,aux2,S,n,k,i,j,g[100001],c[100001],d,Max=0; ^~~ main.cpp:31:11: warning: unused variable 'aux2' [-Wunused-variable] int aux,aux2,S,n,k,i,j,g[100001],c[100001],d,Max=0; ^~~~ main.cpp:31:24: warning: unused variable 'j' [-Wunused-variable] int aux,aux2,S,n,k,i,j,g[100001],c[100001],d,Max=0; ^ main.cpp:31:46: warning: unused variable 'd' [-Wunused-variable] int aux,aux2,S,n,k,i,j,g[100001],c[100001],d,Max=0; ^ main.cpp:31:48: warning: unused variable 'Max' [-Wunused-variable] int aux,aux2,S,n,k,i,j,g[100001],c[100001],d,Max=0; ^~~ main.cpp:32:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&k); ^ main.cpp:34:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&g[i],&c[i]); ^