Compilare: main.cpp: In function 'void read_data()': main.cpp:41:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &m, &k); ^ main.cpp:45:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &sarmale[i]); ^ main.cpp:51:62: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int a, b, len, c; scanf("%d%d%d%d", &a, &b, &len, &c); ^