Compilare: main.cpp: In function 'int main()': main.cpp:32:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("concurs.in","r",stdin); ^ main.cpp:33:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("concurs.out","w",stdout); ^ main.cpp:34:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:35:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) scanf("%d",&premiu[i]); ^ main.cpp:37:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ main.cpp:50:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ main.cpp:57:77: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized] if (premiu[fin]>mx||(premiu[fin]==mx&&x<xx)||(premiu[fin]==mx&&x==xx&&y<yy)){ ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~ main.cpp:57:70: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized] if (premiu[fin]>mx||(premiu[fin]==mx&&x<xx)||(premiu[fin]==mx&&x==xx&&y<yy)){ ~~~~~~~~~~~~~~~^~~~~~~