Compilare: main.cpp: In function 'int main()': main.cpp:8:9: warning: this 'while' clause does not guard... [-Wmisleading-indentation] while (k && ans [k] < c && k + n - i >= m)-- k;ans [++ k] = c; ^~~~~ main.cpp:8:56: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'while' while (k && ans [k] < c && k + n - i >= m)-- k;ans [++ k] = c; ^~~ main.cpp:5:46: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] int main(){freopen("trompeta.out","w",stdout); ^