Compilare: main.cpp: In function 'void fst()': main.cpp:25:24: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if (a[i+1][j]==a[i+1][j+1] ) ^ main.cpp: In function 'int main()': main.cpp:60:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for ( i = 1 ; i <= n ; i++ ) ^~~ main.cpp:64:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fst(); ^~~