Compilare: main.cpp: In function 'void S(int)': main.cpp:21:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j--;j>=0;j--) ^~~ main.cpp:23:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' p[h++]='\n'; ^ main.cpp: In function 'int main()': main.cpp:37:99: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.in","r",stdin),freopen("arbint.out","w",stdout),fread(p,1,M,stdin),n=A(),m=A(); ^ main.cpp:37:99: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:37:99: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]