Compilare: main.cpp: In function 'int main()': main.cpp:7:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.in","r",stdin); ^ main.cpp:8:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.out","w",stdout); ^ main.cpp:10:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%s",&n,&c, v+1); ^ main.cpp:37:18: warning: 'drmax' may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=stmax;i<=drmax;i++) ~^~~~~~~ main.cpp:9:36: warning: 'stmax' may be used uninitialized in this function [-Wmaybe-uninitialized] int n,c,i,st,dr,cnt=0,cntmax=0,stmax,drmax,l; ^~~~~