Compilare: main.cpp: In function 'int main()': main.cpp:29:14: warning: unused variable 'x' [-Wunused-variable] int m,i,j,k,x,min,y,max,maxu=0,poz=1,c=0,lvl; ^ main.cpp:29:16: warning: unused variable 'min' [-Wunused-variable] int m,i,j,k,x,min,y,max,maxu=0,poz=1,c=0,lvl; ^~~ main.cpp:29:20: warning: unused variable 'y' [-Wunused-variable] int m,i,j,k,x,min,y,max,maxu=0,poz=1,c=0,lvl; ^ main.cpp:30:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("joc7.in","r",stdin); ^ main.cpp:31:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("joc7.out","w",stdout); ^ main.cpp:32:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&k,&n,&m); ^ main.cpp:34:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v[i].a,&v[i].b); ^