Submission #257836

#	Time	Username	Problem	Language	Result	Execution time	Memory
257836		Blagojce	Amusement Park (JOI17_amusement_park)	C++17	Compilation error	0 ms	0 KiB

Joi

Ioi

#include <bits/stdc++.h> 
#define fr(i, n, m) for(int i = (n); i < (m); i ++)
#define pb push_back
#define st first
#define nd second
#define pq priority_queue
#define all(x) begin(x), end(x)
#include <time.h>
#include <cmath>
 
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
 
const int i_inf = 1e9;
const ll inf = 1e17;
const ll mod = 1000000007;
const ld eps = 1e-13;
const ld pi  = 3.14159265359;
 
mt19937 _rand(time(NULL));
clock_t timer = clock();
const int mxn = 1e5;
 
#include "Joi.h"
/*int VAL[mxn];
void MessageBoard(int u, int val){
	VAL[u] = val;
	return;
}*/
 
int n, m;
int a[mxn], b[mxn];
bool vis[mxn];
vector<int> g[mxn];
 
int itopos[mxn];
int temp_p = 0;
 
int depth[mxn];
int mx_depth[mxn];
int best_child[mxn];

void dfs(int u){
	itopos[u] = temp_p++;
	vis[u] = true;
	mx_depth[u] = depth[u];
	best_child[u] = u;
	for(auto e : g[u]){
		if(vis[e]) continue;
		depth[e] = depth[u] + 1;
		dfs(e);
		if(mx_depth[u] < mx_depth[e]){
			mx_depth[u] = mx_depth[e];
			best_child[u] = e;
		}
	}
}
int REM;
int pos_to_mark;
ll x;
void dfs2(int u, int flag){
	if(flag == 0){
		if(x&(1LL<<pos_to_mark)) MessageBoard(u, 1);
		else MessageBoard(u, 0);
		++pos_to_mark;
	}
	else{
		if(REM > 0){
			if(x&(1LL<<pos_to_mark)) MessageBoard(u, 1);
			else MessageBoard(u, 0);
			++pos_to_mark;
			--REM;
		}
		else{
			MessageBoard(u, 0);
		}
	}
	
	vis[u] = true;
	for(auto e : g[u]){
		if(vis[e]) continue;

		if(e == best_child[u]){
			dfs2(e, 0|flag);
		}
		else{
			dfs2(e, 1|flag);
		}
	}
}


void Joi(int N, int M, int A[], int B[], long long X, int T) {
	n = N, m = M, x = X;
	fr(i, 0, m) a[i] = A[i], b[i] = B[i];
	fr(i, 0, m){
		g[a[i]].pb(b[i]);
		g[b[i]].pb(a[i]);
	}
	dfs(0);
	int mxd = 0;
	fr(i, 0, n) mxd = max(mxd, depth[i]);
	if(mxd < 59){
		memset(vis, false, sizeof(vis));
		REM = 60 - (mx_depth[0]+1);
		dfs2(0, 0);
		/*fr(i, 0, n){
			if(X&(1LL<<(itopos[i]%60))) MessageBoard(i,1); 
			else MessageBoard(i,0);
		}*/
	}
	else{
		fr(i, 0, n){
			if(X&(1LL<<(depth[i]%60)))MessageBoard(i,1); 
			else MessageBoard(i,0);
		}
	}
	
}

Compilation message (stderr)

/tmp/ccd81HaB.o: In function `main':
grader_joi.cpp:(.text.startup+0x1ac): undefined reference to `Joi(int, int, int*, int*, long long, int)'
collect2: error: ld returned 1 exit status

Ioi.cpp: In function 'void dfs2(int, int)':
Ioi.cpp:65:28: error: 'MessageBoard' was not declared in this scope
   if(x&(1LL<<pos_to_mark)) MessageBoard(u, 1);
                            ^~~~~~~~~~~~
Ioi.cpp:66:8: error: 'MessageBoard' was not declared in this scope
   else MessageBoard(u, 0);
        ^~~~~~~~~~~~
Ioi.cpp:71:29: error: 'MessageBoard' was not declared in this scope
    if(x&(1LL<<pos_to_mark)) MessageBoard(u, 1);
                             ^~~~~~~~~~~~
Ioi.cpp:72:9: error: 'MessageBoard' was not declared in this scope
    else MessageBoard(u, 0);
         ^~~~~~~~~~~~
Ioi.cpp:77:4: error: 'MessageBoard' was not declared in this scope
    MessageBoard(u, 0);
    ^~~~~~~~~~~~
Ioi.cpp: In function 'void Joi(int, int, int*, int*, long long int, int)':
Ioi.cpp:116:30: error: 'MessageBoard' was not declared in this scope
    if(X&(1LL<<(depth[i]%60)))MessageBoard(i,1); 
                              ^~~~~~~~~~~~
Ioi.cpp:117:9: error: 'MessageBoard' was not declared in this scope
    else MessageBoard(i,0);
         ^~~~~~~~~~~~