Compilare: main.cpp: In function 'int main()': main.cpp:39:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=2;i<N;i++) ^~~ main.cpp:42:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(t=A();t;t--) ^~~ main.cpp:34:80: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ssnd.in","r",stdin),freopen("ssnd.out","w",stdout),fread(u,1,R,stdin); ^ main.cpp:34:80: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:34:80: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]