제출 #438283

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
438283		PiejanVDC	던전 (IOI21_dungeons)	C++17	컴파일 에러	0 ms	0 KiB

dungeons

#include "dungeons.h"
#include <bits/stdc++.h>
using namespace std;

int nnn;

vector<int>sss,ppp,lll;
vector<long long>winning_path;

void init(int nn, vector<int> ss, vector<int> pp, vector<int> ww, vector<int> ll) {
    nnn=nn;
    sss=ss,ppp=pp,lll=ll;
    winning_path.resize(nnn+1);
    winning_path[nnn]=0;

    for(int i = 0 ; i < nnn ; i++) {
        long long next=i;
        long long cnt=0;
        while(next!=nnn) {
            if(winning_path[next]) {
                cnt+=winning_path[next];
                break;
            }
            cnt++;
            next=w[next];
        }
        winning_path[i]=cnt;
    }
}

long long simulate(int x, int zz) {
    vector<long long>v(nnn+1,0);
    vector<long long> seq;
    long long curr=0, len=0;
    long long z=zz;
    while(true) {
        if(v[x]) {
            long long ans = (sss[x]-z)/(curr-v[x]);
            z+=ans*(curr-v[x]);
            int left=0, right=seq.size()-1, use=x;
            while(left <= right) {
                int mid = (left+right)/2;
                if(z+(v[seq[mid]]-v[x]) >= sss[x]) {
                use=mid;
                right=mid-1;
                } else {
                    left=mid+1;
                }
            }
            if(use>0&&use<seq.size()){
                z+=v[seq[use]] - v[x];
                x=seq[use];
            }
        }
        if(x==nnn) return z;
        if(z >= sss[x]) {
            long long mul = sss[x]*winning_path[x];
            return z+mul;
        }
        v[x]=curr;
        z+=ppp[x], curr+=ppp[x];
        seq.push_back(x);
        x=lll[x];
        len++;
    }
}

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:25:18: error: 'w' was not declared in this scope
   25 |             next=w[next];
      |                  ^
dungeons.cpp: In function 'long long int simulate(int, int)':
dungeons.cpp:50:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |             if(use>0&&use<seq.size()){
      |                       ~~~^~~~~~~~~~~