제출 #852253

#제출 시각아이디문제언어결과실행 시간메모리
852253alex_2008던전 (IOI21_dungeons)C++17
컴파일 에러
0 ms0 KiB
//#include "dungeons.h" #include <bits/stdc++.h> #define mindiff first #define pos second.first #define strength second.second using namespace std; const long long N = 4e5 + 10; const long long M = 10000001; const int INF = 1e7; pair<int, pair<int, int>> dp[N][8][24]; long long NN; vector <long long> ss, pp, ww, ll; long long nxt[N]; int lg8[M]; bool ch = true; void init(int n, vector<int> s, vector<int> p, vector<int> w, vector<int> l) { lg8[1] = 0; for (int i = 1; i < 8; i++) { lg8[i] = 0; } for (int i = 8; i < M; i++) { lg8[i] = lg8[i / 8] + 1; } NN = n; s.push_back(0); p.push_back(0); w.push_back(n); l.push_back(n); for (int i = 0; i <= n; i++) { ss.push_back(s[i]); if (w[i] != l[i]) ch = false; } nxt[n] = 0; for (int i = n - 1; i >= 0; i--) { nxt[i] = s[i] + nxt[w[i]]; } for (int i = 0; i <= n; i++) { pp.push_back(p[i]); } for (int i = 0; i <= n; i++) { ww.push_back(w[i]); } for (int i = 0; i <= n; i++) { ll.push_back(l[i]); } for (int k = 0; k < 24; k++) { for (int i = 0; i <= n; i++) { for (int j = 0; j < 8; j++) { if (k == 0) { dp[i][j][k].pos = ((1 << (3 * j)) >= s[i]) ? w[i] : l[i]; dp[i][j][k].strength = ((1 << (3 * j)) >= s[i]) ? s[i] : p[i]; dp[i][j][k].mindiff = ((1 << (3 * j)) < s[i]) ? s[i] : INF; } else { int p = dp[i][j][k - 1].pos; dp[i][j][k].pos = dp[p][j][k - 1].pos; dp[i][j][k].strength = min(INF, dp[i][j][k - 1].strength + dp[p][j][k - 1].strength); dp[i][j][k].mindiff = max(0, min(dp[i][j][k - 1].mindiff, dp[p][j][k - 1].mindiff - dp[i][j][k - 1].strength)); } } } } } long long simulate(int xx, int zz) { long long x = xx, z = zz; while (1) { if (z >= 10000000) { z += nxt[x]; return z; } int v = (int)lg8[z]; for (int k = 23; k >= 0; k--) { if (dp[x][v][k].pos == N || dp[x][v][k].mindiff <= z || (dp[x][v][k].strength + z >= 10000000) || lg8[dp[x][v][k].strength + z] > v) continue; z += dp[x][v][k].strength; x = dp[x][v][k].pos; } if (z >= ss[x]) { z += ss[x]; x = ww[x]; } else { z += pp[x]; x = ll[x]; } if (x == NN) return z; } return 0; } int main() { init(3, { 2, 6, 9 }, { 3, 1, 2 }, { 2, 2, 3 }, { 1, 0, 1 }); cout << simulate(0, 1) << "\n"; cout << simulate(2, 3) << "\n"; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccXEzbN7.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZk4Vv9.o:dungeons.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status