제출 #440347

#제출 시각아이디문제언어결과실행 시간메모리
440347two_sides던전 (IOI21_dungeons)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; namespace { template <class X, class Y> bool cmin(X &a, const Y &b) { return a > b ? a = b, 1 : 0; } const int MAXN = 400005; const long long INF = 1e9; struct path { int dest; long long mini, suma; }; long long str[MAXN], bns[MAXN]; int win[MAXN], lose[MAXN], N; path jump[MAXN][12][10]; long long tail[MAXN]; } void init(int n, vector<int> s, vector<int> p, vector<int> w, vector<int> l) { copy(s.begin(), s.end(), str); copy(p.begin(), p.end(), bns); copy(w.begin(), w.end(), win); copy(l.begin(), l.end(), lose); str[N = n] = bns[n] = INF; win[N] = lose[N] = N; for (int i = N - 1; i >= 0; i--) tail[i] = tail[win[i]] + str[i]; for (int a = 0; a < 12; a++) { int lo = 1 << (a << 1); int hi = 1 << ((a + 1) << 1); for (int i = 0; i <= N; i++) if ((lo <= str[i] && str[i] < hi) || i == N) jump[i][a][0] = {lose[i], str[i], bns[i]}; else if (str[i] < lo) jump[i][a][0] = {win[i], INF, str[i]}; else jump[i][a][0] = {lose[i], INF, bns[i]}; for (int b = 1; b < 10; b++) for (int i = 0; i <= N; i++) { path &cur = jump[i][a][b]; cur.dest = i; cur.mini = INF; cur.suma = 0; for (int j = 0; j < 4; j++) { path nxt = jump[cur.dest][a][b - 1]; cmin(cur.mini, nxt.mini - cur.suma); cur.suma += nxt.suma; cur.dest = nxt.dest; } } } } long long simulate(int x, int z) { path cur = {x, 0, z}; for (int a = 0; a < 12; a++) { int lo = 1 << (a << 1); int hi = 1 << ((a + 1) << 1); while (cur.dest < N && lo <= cur.suma && cur.suma < hi) { for (int b = 9; b >= 0; b--) while (cur.suma < jump[cur.dest][a][b].mini && cur.suma + jump[cur.dest][a][b].suma < hi) { cur.suma += jump[cur.dest][a][b].suma; cur.dest = jump[cur.dest][a][b].dest; } if (cur.dest < N) { if (cur.suma < str[cur.dest]) { cur.suma += bns[cur.dest]; cur.dest = lose[cur.dest]; } else { cur.suma += str[cur.dest]; cur.dest = win[cur.dest]; } } } } return cur.suma + tail[i]; }

컴파일 시 표준 에러 (stderr) 메시지

dungeons.cpp: In function 'long long int simulate(int, int)':
dungeons.cpp:82:28: error: 'i' was not declared in this scope
   82 |     return cur.suma + tail[i];
      |                            ^