Compilare: user.cpp: In function ‘int main()’: user.cpp:26:101: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout, "%I64d %d\n%I64d %I64d", t + 1, matr[(t / n) & 1][(t / m) & 1], t / n - 1, t / m - 1); ^ user.cpp:26:101: warning: format ‘%d’ expects argument of type ‘int’, but argument 5 has type ‘long long int’ [-Wformat=] user.cpp:26:101: warning: format ‘%d’ expects argument of type ‘int’, but argument 6 has type ‘long long int’ [-Wformat=] user.cpp:21:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^