Compilare: user.cpp: In function ‘int main()’: user.cpp:83:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:86:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &x, &y); ^ user.cpp:100:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &x, &y); ^ user.cpp: In function ‘void getCycles()’: user.cpp:18:2: warning: ‘curr’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (rows[rowId][0] == index) ^ user.cpp:47:7: note: ‘curr’ was declared here int curr = rowNext(row[i], curr); ^