Compilare: main.cpp: In function 'int main()': main.cpp:13:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i<s.size() && s[i]=='>') ++i; ~^~~~~~~~~ main.cpp:16:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i<s.size()) { ~^~~~~~~~~ main.cpp:18:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i<s.size() && s[i]=='<') ++k, ++i; ~^~~~~~~~~ main.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i<s.size() && s[i]=='>') ++k2, ++i; ~^~~~~~~~~ main.cpp:22:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int j=p; j<x+p; ++j,++i2) a[i2]=j; p+=x; ^~~ main.cpp:22:49: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for (int j=p; j<x+p; ++j,++i2) a[i2]=j; p+=x; ^