Compilare: main.cpp: In function 'int main()': main.cpp:54:31: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] fscanf(in, "%i %i", &n, &k); ^ main.cpp:54:31: warning: format '%i' expects argument of type 'int*', but argument 4 has type 'long long int*' [-Wformat=] main.cpp:54:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%i %i", &n, &k); ^ main.cpp:59:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%i %i", &x, &y); ^ main.cpp:60:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", C[x][y]); ^