제출 #931361

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
931361	2024-02-21 16:19:16	hqminhuwu	코끼리 (Dancing Elephants) (IOI11_elephants)	C++14	100 / 100	5499 ms	37100 KiB

elephants

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#include <bits/stdc++.h>
#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <int,int>
#define pll pair <ll,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define file "test"
using namespace std;
const int nn = 5e5 + 5;
const ll oo = 1e9;
const ll mod = 1e9 + 7;
const int uwu = 400;
int nl, n;
struct block {
  vector <pii> v;
  int cnt[2 * uwu + 1], pos[2 * uwu + 1];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

elephants.cpp: In member function 'void block::build()':
elephants.cpp:39:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |    if (r == v.size() - 1)
      |        ~~^~~~~~~~~~~~~~~
elephants.cpp: In member function 'void block::ers(int)':
elephants.cpp:4:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
      |                                              ^
elephants.cpp:56:3: note: in expansion of macro 'forf'
   56 |   forf (i, 0, v.size())
      |   ^~~~
elephants.cpp:4:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
      |                                              ^
elephants.cpp:59:3: note: in expansion of macro 'forf'
   59 |   forf (i, j, v.size() - 1)
      |   ^~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:59:9: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
   59 |   forf (i, j, v.size() - 1)
      |         ^
elephants.cpp:55:7: note: 'j' was declared here
   55 |   int j;
      |       ^

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3