Compilare: main.cpp: In function 'int main()': main.cpp:42:11: warning: unused variable 'j' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^ main.cpp:42:13: warning: unused variable 'x' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^ main.cpp:42:15: warning: unused variable 'st' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^~ main.cpp:42:18: warning: unused variable 'dr' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^~ main.cpp:42:21: warning: unused variable 'mid' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^~~ main.cpp:42:25: warning: unused variable 'ans' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^~~ main.cpp:42:29: warning: unused variable 'ma' [-Wunused-variable] int i,j,x,st,dr,mid,ans,ma=0; ^~ main.cpp:40:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("1.in","r",stdin); ^ main.cpp:41:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("1.out","w",stdout); ^ main.cpp:43:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:45:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&q[i]); ^ main.cpp:48:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^