제출 #270387

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
270387	2020-08-17 14:40:50	PeppaPig	코끼리 (Dancing Elephants) (IOI11_elephants)	C++14	100 / 100	6773 ms	17540 KiB

elephants

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#include "elephants.h"
#include <bits/stdc++.h>
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 1.5e5 + 5;
const int B = 390;
int n, k, bcnt;
int R[B + 5], pos[N];
map<int, int> mp;
vector<int> jump[B + 5], cnt[B + 5], bucket[B + 5];
void init(int _n, int _k, int X[]) {
    n = _n, k = _k;
    for(int i = 0; i < n; i++) ++mp[pos[i] = X[i]];
}
void solve_bucket(int idx) {
    vector<int> &vec = bucket[idx];
    jump[idx] = vector<int>(vec.size()), cnt[idx] = vector<int>(vec.size());
    for(int i = vec.size() - 1, j = vec.size(); ~i; i--) {
        while(vec[j - 1] > vec[i] + k) --j;
        if(j < vec.size()) jump[idx][i] = jump[idx][j], cnt[idx][i] = cnt[idx][j] + 1;
        else jump[idx][i] = vec[i] + k, cnt[idx][i] = 1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

elephants.cpp: In function 'void solve_bucket(int)':
elephants.cpp:29:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         if(j < vec.size()) jump[idx][i] = jump[idx][j], cnt[idx][i] = cnt[idx][j] + 1;
      |            ~~^~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:72:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |         if(idx < bucket[i].size())
      |            ~~~~^~~~~~~~~~~~~~~~~~

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• Subtask 5: 3 / 3