Compilare: user.cpp: In function ‘int cerinta1(int, int, int, int&)’: user.cpp:15:93: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &cladiri[i].x1, &cladiri[i].y1, &cladiri[i].x2, &cladiri[i].y2); ^ user.cpp: In function ‘void cerinta2(int, int, int)’: user.cpp:64:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &a, &b, &c, &d); ^ user.cpp: In function ‘int main()’: user.cpp:112:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &cer, &N, &M, &C); ^ user.cpp: In function ‘int cerinta1(int, int, int, int&)’: user.cpp:30:40: warning: ‘l2Max’ may be used uninitialized in this function [-Wmaybe-uninitialized] l2Max = (l2Max < 2) ? 0 : l2Max - 2; ^ user.cpp:29:40: warning: ‘l1Max’ may be used uninitialized in this function [-Wmaybe-uninitialized] l1Max = (l1Max < 2) ? 0 : l1Max - 2; ^