이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "dungeons.h"
#include <bits/stdc++.h>
using namespace std;
long long N, S[400005], P[400005], W[400005], L[400005];
vector<long long> vals;
pair<long long,long long> par[7][400005][25];
void init(int n, vector<int> s, vector<int> p, vector<int> w, vector<int> l) {
N = n;
for (long long i = 0; i < N; ++i)
S[i] = s[i], P[i] = p[i], W[i] = w[i], L[i] = l[i], vals.push_back(S[i]);
sort(vals.begin(),vals.end());
vals.resize(unique(vals.begin(),vals.end()) - vals.begin());
vals.push_back(2e9);
for (long long i = 0; i < vals.size(); ++i) {
par[i][N][0] = make_pair(-1,-1);
for (long long j = 0; j < N; ++j) {
if (vals[i] > S[j]) par[i][j][0] = make_pair(W[j],S[j]);
else par[i][j][0] = make_pair(L[j],P[j]);
}
for (long long k = 1; k < 25; ++k) for (long long j = 0; j <= N; ++j) {
if (par[i][j][k-1] == make_pair(-1ll,-1ll)) par[i][j][k] = make_pair(-1,-1);
else {
par[i][j][k].first = par[i][par[i][j][k-1].first][k-1].first;
if (par[i][j][k].first == -1) par[i][j][k].second = -1;
else par[i][j][k].second = par[i][j][k-1].second + par[i][par[i][j][k-1].first][k-1].second;
}
}
}
}
long long simulate(int x, int z) {
long long ans = z;
for (long long i = 0; i < vals.size(); ++i) {
for (long long k = 24; k >= 0; --k)
if (par[i][x][k] != make_pair(-1ll,-1ll) && ans+par[i][x][k].second < vals[i])
ans += par[i][x][k].second, x = par[i][x][k].first;
if (x == N) return ans;
if (ans < vals[i]) ans += par[i][x][0].second, x = par[i][x][0].first;
}
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
dungeons.cpp: In function 'void init(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
dungeons.cpp:16:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for (long long i = 0; i < vals.size(); ++i) {
| ~~^~~~~~~~~~~~~
dungeons.cpp: In function 'long long int simulate(int, int)':
dungeons.cpp:35:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | for (long long i = 0; i < vals.size(); ++i) {
| ~~^~~~~~~~~~~~~
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