Eroare de compilare: main.cpp: In function 'int P(int*, int, int)': main.cpp:16:30: error: 'rand' was not declared in this scope int i=b-1,j=c+1,p=a[b+(rand()%(c-b+1))]; ^ main.cpp:22:18: error: 'swap' was not declared in this scope swap(a[i],a[j]); ^ main.cpp: In function 'int main()': main.cpp:38:22: error: 'srand' was not declared in this scope for(srand(time(NULL)),n=A(),k=A(),i=1;i<=n;i++) ^ main.cpp:39:3: error: 'f' was not declared in this scope f>>a[i]; ^ main.cpp:37:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sdo.in","r",stdin),freopen("sdo.out","w",stdout),fread(r,1,N,stdin); ^ main.cpp:37:81: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:37:81: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] Non zero exit status: 1