Compilare: user.cpp: In function ‘int main()’: user.cpp:30:61: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(vc[i+j].pas>vc[i].pas+1||vc[i+j].pas==vc[i].pas+1&&vc[i+v[i].x].val>vc[i].val) ^ user.cpp:35:57: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(vc[i+1].pas>vc[i].pas+1||vc[i+1].pas==vc[i].pas+1&&vc[i+1].val>vc[i].val) ^ user.cpp:42:65: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(vc[i+2*j].pas>vc[i].pas+1||vc[i+2*j].pas==vc[i].pas+1&&vc[i+2*j].val>vc[i].val+j) ^ user.cpp:47:69: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(vc[i+2*j-1].pas>vc[i].pas+1||vc[i+2*j-1].pas==vc[i].pas+1&&vc[i+2*j-1].val>vc[i].val+j) ^ user.cpp:56:49: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(vc[i].pas<maxim||vc[i].pas==vc[maxim].pas&&vc[i].val<vc[maxim].val) ^ user.cpp:9:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.in","r",stdin); ^ user.cpp:10:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.out","w",stdout); ^ user.cpp:11:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:12:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp:18:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:21:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp:61:39: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d",vc[poz].pas,vc[poz].val); ^