Compilare: main.cpp: In function 'void update(int, int, int, int, int)': main.cpp:12:13: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:14:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' arbint[nod]=max(arbint[2*nod],arbint[2*nod+1]); ^~~~~~ main.cpp: In function 'int main()': main.cpp:32:15: warning: unused variable 'j' [-Wunused-variable] int n,m,i,j; ^ main.cpp:30:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.in","r",stdin); ^ main.cpp:31:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("arbint.out","w",stdout); ^ main.cpp:33:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:36:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ main.cpp:42:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x1,&y1,&z1); ^