Compilare: main.cpp: In function 'int main()': main.cpp:48:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nrtri.in", "r", stdin); ^ main.cpp:49:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nrtri.out", "w", stdout); ^ main.cpp:51:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:53:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &bete[i]); ^ main.cpp: In function 'int cautbindr(int)': main.cpp:24:12: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^~~~ main.cpp: In function 'int cautbinst(int)': main.cpp:43:12: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^~~~ main.cpp: In function 'int main()': main.cpp:66:23: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] if(st <= i && i <= dr) ~~~^~~~ main.cpp:65:26: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] s += dr - st + 1; ~~~^~~~