Compilare: main.cpp: In function 'int main()': main.cpp:50:27: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'char*' [-Wformat=] 50 | fscanf(fin, "%d", &mat[i][j]); | ~^ ~~~~~~~~~~ | | | | | char* | int* | %hhd main.cpp:38:53: warning: unused variable 'nrPereti' [-Wunused-variable] 38 | int caz, n, i, j, cnt, arieMax, x1, y1, x2, y2, nrPereti, dir; | ^~~~~~~~ main.cpp:38:63: warning: unused variable 'dir' [-Wunused-variable] 38 | int caz, n, i, j, cnt, arieMax, x1, y1, x2, y2, nrPereti, dir; | ^~~ main.cpp:79:16: warning: 'y2' may be used uninitialized in this function [-Wmaybe-uninitialized] 79 | fprintf(fout, "%d %d %d %d", x1, y1, x2, y2); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:79:16: warning: 'x2' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:79:16: warning: 'y1' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:79:16: warning: 'x1' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:75:16: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] 75 | fprintf(fout, "%d", cnt); | ~~~~~~~^~~~~~~~~~~~~~~~~