Compilare: main.cpp: In function 'void sol(int, int)': main.cpp:92:9: warning: unused variable 'msk' [-Wunused-variable] int msk = (1 << k) - 1, nrS = 0; ^~~ main.cpp: In function 'int main()': main.cpp:175:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:180:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &len); ^ main.cpp:187:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &col); ^ main.cpp:195:30: 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:104:30: warning: array subscript is below array bounds [-Warray-bounds] pos[u][i][ans[par]] = (ans[u] == i || !ans[u]); ~~~~~~~^