Compilare: main.cpp: In function 'int main()': main.cpp:18:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=l+1;i<=n;i++) ^~~ main.cpp:20:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(u>=2*l)u=2*l-1; ^~ main.cpp:10:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv3.in","r",stdin); ^ main.cpp:11:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv3.out","w",stdout); ^ main.cpp:12:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&l,&u); ^ main.cpp:13:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++)scanf("%lf",&c[i]); ^ main.cpp:14:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++){scanf("%lf",&t[i]);d[i]=c[i]/t[i];c[i]+=c[i-1];t[i]+=t[i-1];} ^