이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "plants.h"//
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200 * 1000 + 23;//, INF = 1e6;
int n, R[MAXN];
vector<int> v[MAXN], ps[MAXN], ind[MAXN];
void init(int k, vector<int> r) {
n = r.size();
if (k == 2) {
int tmp = -1;
for (int i = 1; i <= n; i++) if (r[i % n] != r[i - 1]) tmp = i;
int cnt = 0;
v[0].push_back(tmp);
ps[tmp].push_back(0);
ind[tmp].push_back(0);
R[0] = r[tmp];
for (int i = 1; i <= n; i++) if (r[(tmp + i - 1) % n] == r[(tmp + i) % n]) {
v[cnt].push_back((tmp + i) % n);
ps[(tmp + i) % n].push_back(cnt);
ind[(tmp + i) % n].push_back(v[cnt].size() - 1);
} else {
v[cnt].push_back((tmp + i) % n);
ps[(tmp + i) % n].push_back(cnt);
ind[(tmp + i) % n].push_back(v[cnt].size() - 1);
cnt++;
v[cnt].push_back((tmp + i) % n);
ps[(tmp + i) % n].push_back(cnt);
ind[(tmp + i) % n].push_back(v[cnt].size() - 1);
R[cnt] = r[(tmp + i) % n];
}
} else if (k * 2 > n && n <= 5000) {
}
return;
}
int compare_plants(int x, int y) {
for (int i = 0; i < ps[x].size(); i++) for (int j = 0; j < ps[y].size(); j++) if (ps[x][i] == ps[y][j])
return (R[ps[x][i]] == ((ind[x][i] < ind[y][i])? 1: 0))? -1: 1;
return 0;
}
//int main() {init(2, {0, 1, 0, 1}); cout << compare_plants(0, 3); }//
컴파일 시 표준 에러 (stderr) 메시지
plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | for (int i = 0; i < ps[x].size(); i++) for (int j = 0; j < ps[y].size(); j++) if (ps[x][i] == ps[y][j])
| ~~^~~~~~~~~~~~~~
plants.cpp:45:59: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | for (int i = 0; i < ps[x].size(); i++) for (int j = 0; j < ps[y].size(); j++) if (ps[x][i] == ps[y][j])
| ~~^~~~~~~~~~~~~~
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