Compilare: user.cpp: In function ‘int main()’: user.cpp:29:19: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(i+v[i].x<=n&&vc[i+v[i].x].pas>vc[i].pas+1||vc[i+v[i].x].pas==vc[i].pas+1&&vc[i+v[i].x].val>vc[i].val) ^ user.cpp:34:57: 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:40:65: 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: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); ^