Compilare: user.cpp: In function ‘void verifica(int, int, int, int)’: user.cpp:29:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if((pa<ia)||(pa==ia)&&(pb<ib)) { ia=pa; ib=pb; } ^ user.cpp: In function ‘void citeste()’: user.cpp:8:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv2m.in","r",stdin); ^ user.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&l); ^ user.cpp:10:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<n;i++) scanf("%d",a+i); ^ user.cpp:11:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<m;i++) scanf("%d",b+i); ^ user.cpp: In function ‘void scrie()’: user.cpp:51:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv2m.out","w",stdout); ^