Compilare: main.cpp: In function 'void precalc()': main.cpp:43:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ main.cpp:48:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int x=1;(1<<x)<=n;x++) ^~~ main.cpp: In function 'int main()': main.cpp:120:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poze.in","r",stdin); ^ main.cpp:121:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poze.out","w",stdout); ^ main.cpp:123:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ main.cpp:127:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&k); ^ main.cpp:131:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^