제출 #1135220

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1135220		emptypringlescan	Speedrun (RMI21_speedrun)	C++17	컴파일 에러	0 ms	0 KiB

speedrun

#include <bits/stdc++.h>
using namespace std;
#include "speedrun.h"
vector<int> adj[1005];
int par[1005];
vector<int> pre;
void dfs(int x, int p){
	par[x]=p;
	pre.push_back(x);
	for(int i:adj[x]){
		if(i==p) continue;
		dfs(i,x);
	}
}
void assignHints(int st, int n, int A[], int B[]){
	setHintLen(20);
	for(int i=1; i<n; i++){
		adj[A[i]].push_back(B[i]);
		adj[B[i]].push_back(A[i]);
	}
	dfs(1,0);
	pre.push_back(pre[0]);
	for(int i=1; i<=n; i++){
		for(int j=0; j<10; j++){
			setHint(i,j+1,1&(par[i]>>j));
		}
		for(int j=0; j<10; j++){
			setHint(pre[i-1],j+11,1&(pre[i]>>j));
		}
	}
}
void speedrun(int st, int n, int start){
	int cur=start,nxt=-1;
	while(true){
		if(nxt==-1){
			nxt=0;
			for(int i=0; i<10; i++){
				nxt|=(getHint(i+11)<<i);
			}
		}
		if(nxt==start) break;
		if(goTo(nxt)){
			cur=nxt;
			nxt=-1;
		}
		else{
			int p=0;
			for(int i=0; i<10; i++){
				p|=(getHint(i+1)<<i);
			}
			assert(goTo(p)=true);
		}
	}
}

컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/c++/11/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:33,
                 from speedrun.cpp:1:
speedrun.cpp: In function 'void speedrun(int, int, int)':
speedrun.cpp:51:36: error: lvalue required as left operand of assignment
   51 |                         assert(goTo(p)=true);
      |                                ~~~~^~~