Compilare: user.cpp: In function ‘void solve()’: user.cpp:32:22: warning: left operand of comma operator has no effect [-Wunused-value] for(j = 1; j <= k, j <= i; ++ j) ^ user.cpp: In function ‘void read()’: user.cpp:11:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^ user.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%f", &p[i]); ^