Compilare: main.cpp: In function 'int cautbin0(int)': main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x[mid]==nr) {r=mid;i=mid+1;} ~~~~~~^~~~ main.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(nr<x[mid]){j=mid-1;} ~~^~~~~~~ main.cpp: In function 'int cautbin1(int)': main.cpp:29:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x[mid]==nr) {r=mid;i=mid+1;} ~~~~~~^~~~ main.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(nr<x[mid]){j=mid-1;} ~~^~~~~~~ main.cpp: In function 'int cautbin2(int)': main.cpp:42:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nr<=x[mid]){ ~~^~~~~~~~ main.cpp:46:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(x[mid]<nr) i=mid+1; ~~~~~~^~~ main.cpp:48:12: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] return k; ^ main.cpp: In function 'int main()': main.cpp:61:45: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] else if(tip==2) fout <<cautbin2(y)<<"\n"; ^~~~