제출 #1249516

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1249516		FernandoJC07	선물 (IOI25_souvenirs)	C++20	컴파일 에러	0 ms	0 KiB

souvenirs

#include "souvenirs.h"
#define ff first
#define ss second
#define ll long long
//#define vi vector<long long> 
void buy_souvenirs(int N, ll P0){
    if(N==2) {transaction(P0-1); return;}
    if(N==3) {
        auto x = transaction(P0-1);
        if(x.ff.size() == 1){
            ll val = P0-1-x.ss;
            transaction(val-1);
            transaction(val-1);
        }
        else {
            ll val = (P0-1-x.ss);
            val += (2-val%2)%2;
            val/=2;
            transaction(val-1);
        }
        return;
    }
    vector<ll> cnt(N, 0), val(N);
    val[0] = P0;
    for(int i = 1; i<N; ++i){
        auto x = transaction(val[i-1]-1);
        for(int y: x.ff) cnt[y]++;
        if(x.ff.size() == 1) val[i] = val[i-1]-1-x.ss;
        else val[i] = val[i-1]-2;
    }
    for(int i = 1; i<N; ++i) while(cnt[i]<i) {transaction(val[i]); cnt[i]++;}
}

컴파일 시 표준 에러 (stderr) 메시지

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:23:5: error: 'vector' was not declared in this scope
   23 |     vector<ll> cnt(N, 0), val(N);
      |     ^~~~~~
souvenirs.cpp:23:5: note: suggested alternatives:
In file included from /usr/include/c++/11/vector:67,
                 from souvenirs.h:2,
                 from souvenirs.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from souvenirs.h:2,
                 from souvenirs.cpp:1:
/usr/include/c++/11/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
souvenirs.cpp:4:12: error: expected primary-expression before 'long'
    4 | #define ll long long
      |            ^~~~
souvenirs.cpp:23:12: note: in expansion of macro 'll'
   23 |     vector<ll> cnt(N, 0), val(N);
      |            ^~
souvenirs.cpp:24:5: error: 'val' was not declared in this scope
   24 |     val[0] = P0;
      |     ^~~
souvenirs.cpp:27:26: error: 'cnt' was not declared in this scope; did you mean 'int'?
   27 |         for(int y: x.ff) cnt[y]++;
      |                          ^~~
      |                          int
souvenirs.cpp:31:36: error: 'cnt' was not declared in this scope; did you mean 'int'?
   31 |     for(int i = 1; i<N; ++i) while(cnt[i]<i) {transaction(val[i]); cnt[i]++;}
      |                                    ^~~
      |                                    int