Compilare: main.cpp: In function 'int main()': main.cpp:48:27: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'char*' [-Wformat=] 48 | fscanf(fin, "%d", &mat[i][j]); | ~^ ~~~~~~~~~~ | | | | | char* | int* | %hhd main.cpp:39:18: warning: 'n' is used uninitialized in this function [-Wuninitialized] 39 | for(i = 0; i < n + 2; i++) { | ~~^~~~~~~ main.cpp:73:16: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] 73 | fprintf(fout, "%d", cnt); | ~~~~~~~^~~~~~~~~~~~~~~~~