Compilare: user.cpp: In function ‘int cautbin0(int, int)’: user.cpp:9:16: warning: unused variable ‘mij’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:9:21: warning: unused variable ‘st’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:9:27: warning: unused variable ‘dr’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp: In function ‘int cautbin1(int, int)’: user.cpp:29:16: warning: unused variable ‘mij’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:29:21: warning: unused variable ‘st’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:29:27: warning: unused variable ‘dr’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp: In function ‘int cautbin2(int, int)’: user.cpp:51:16: warning: unused variable ‘mij’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:51:21: warning: unused variable ‘st’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp:51:27: warning: unused variable ‘dr’ [-Wunused-variable] int poz=0, mij, st=1, dr=n; ^ user.cpp: In function ‘int main()’: user.cpp:70:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in", "r", stdin); ^ user.cpp:71:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out", "w", stdout); ^ user.cpp:72:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:74:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp:75:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:79:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&cer, &x); ^