Compilare: main.cpp: In function 'int main()': main.cpp:176:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:181:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &len); ^ main.cpp:188:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &col); ^ main.cpp:196:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &adj); ^ main.cpp: In function 'void compSol()': main.cpp:106:30: warning: array subscript is below array bounds [-Warray-bounds] pos[u][i][ans[par]] = (ans[u] == i || !ans[u]); ~~~~~~~^