Compilare: main.cpp: In function 'int main()': main.cpp:47:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (deque <char>::iterator it = sol.begin(); it < sol.end(); it++) ^~~ main.cpp:49:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp:22:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("password1.in", "r", stdin); ^ main.cpp:23:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("password1.out", "w", stdout); ^ main.cpp:24:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s %s", a, b); ^