Compilare: main.cpp: In function 'int calcsimilitudine(char*, char*)': main.cpp:21:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= strlen(x); i++) ~~^~~~~~~~~~~~ main.cpp:22:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j <= strlen(y); j++) ~~^~~~~~~~~~~~ main.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < strlen(x); i++) ~~^~~~~~~~~~~ main.cpp:28:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < strlen(y); j++) ~~^~~~~~~~~~~ main.cpp:27:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < strlen(x); i++) ^~~ main.cpp:34:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cnt = strlen(x) + strlen(y) - 2 * lcs[strlen(x)][strlen(y)]; ^~~ main.cpp: In function 'void bfs(int)': main.cpp:55:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < l[nod].size(); i++) ~~^~~~~~~~~~~~~~~