Compilare: main.cpp: In function 'int main()': main.cpp:27:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j<strlen(s)) ~^~~~~~~~~~ main.cpp:31:73: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (s[j]!='x' && s[j]!='=' && s[j]!='-' && s[j]!='+' && j<strlen(s)) ~^~~~~~~~~~ main.cpp:46:21: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else v[ordin].nr+=nrr;ordin++; ^~~~ main.cpp:46:43: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' else v[ordin].nr+=nrr;ordin++; ^~~~~