Compilare: main.cpp: In function 'int char_int(char*)': main.cpp:14:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);++i) ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:23:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=3;i<strlen(recipe);++i) ~^~~~~~~~~~~~~~~ main.cpp:39:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(recipe);++i) ~^~~~~~~~~~~~~~~ main.cpp:80:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=0;i<k;++i) ^~~ main.cpp:82:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~