Submission #1107210

#	Time	Username	Problem	Language	Result	Execution time	Memory
1107210		ozner77	Traffic (IOI10_traffic)	C++17	Compilation error	0 ms	0 KiB

traffic

#include "traffic.h"
#include <bits/stdc++.h>
int LocateCentre(int n, int p[], int s[], int d[]){
    vector<int> pref(n + 1);
    f2(i, n, 0){
        pref[i + 1] = p[i] + pref[i];
    }
    int ansa = 0, ma = pref[n];
    f2(i, n + 1, 1){
        int x = pref[i - 1];
        int y = pref[n] - pref[i];
        int t = max(x, y);
        if(t < ma){
            ansa = i - 1;
            ma = t;
        }
    }
    return ansa;
}

Compilation message (stderr)

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:4:5: error: 'vector' was not declared in this scope
    4 |     vector<int> pref(n + 1);
      |     ^~~~~~
traffic.cpp:4:5: note: suggested alternatives:
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from traffic.cpp:2:
/usr/include/c++/10/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from traffic.cpp:2:
/usr/include/c++/10/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
traffic.cpp:4:12: error: expected primary-expression before 'int'
    4 |     vector<int> pref(n + 1);
      |            ^~~
traffic.cpp:5:8: error: 'i' was not declared in this scope
    5 |     f2(i, n, 0){
      |        ^
traffic.cpp:5:5: error: 'f2' was not declared in this scope
    5 |     f2(i, n, 0){
      |     ^~
traffic.cpp:8:24: error: 'pref' was not declared in this scope
    8 |     int ansa = 0, ma = pref[n];
      |                        ^~~~
traffic.cpp:8:19: warning: unused variable 'ma' [-Wunused-variable]
    8 |     int ansa = 0, ma = pref[n];
      |                   ^~