Eroare de compilare: user.c: In function ‘main’: user.c:26:13: warning: implicit declaration of function ‘putere2’ [-Wimplicit-function-declaration] if(putere2(dif)==1){ ^ user.c:33:17: error: expected expression before ‘:’ token std::sort(sol,sol+nr); ^ user.c:11:17: warning: unused variable ‘pp’ [-Wunused-variable] int x=1,pp=0,nr=0,k; ^ user.c:33:13: warning: label ‘std’ defined but not used [-Wunused-label] std::sort(sol,sol+nr); ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&t); ^ user.c:12:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&k); ^