Compilare: user.cpp: In function ‘void readFile()’: user.cpp:30:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d\n", &n, &k); ^ user.cpp:34:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%c%c\n", &c1, &c2); ^ user.cpp: In function ‘void solve()’: user.cpp:80:58: warning: array subscript is above array bounds [-Warray-bounds] allmx = dp[0][j - 1] + dp[0][j] + dp[0][j + 1]; ^