Compilare: main.cpp: In function 'void cit()': main.cpp:26:32: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int*' [-Wformat=] scanf("%c",&a[i][j]); ^ main.cpp:21:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ main.cpp:26:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&a[i][j]); ^ main.cpp:39:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^