Submission #116605

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
116605	2019-06-13T04:55:47 Z	nvmdava	Tropical Garden (IOI11_garden)	C++17	Compilation error	0 ms	0 KB

garden

#include "garden.h"
#include "gardenlib.h"

int best[150001][2];
int cyc;
int len[150001];
int time[150001][2];
bool in[150001];
bool proc[150001];
bool doing[150001];
int dfs(int v){
	if(proc[v]) return time[v][1];
	if(doing[v] == 1) return 1000000001;
	doing[v] = 1;
	time[v][1] = dfs(best[v][1]) + 1;
	doing[v] = 0;
	proc[v] = 1;
	return time[v][1];
}

void count_routes(int N, int M, int P, int R[][2], int Q, int G[]){
	for(int i = 0; i < M; i++){
		int v = R[i][0], v = R[i][1];
		if(!best[v][0]) best[v][0] = u;
		else if(!best[v][1]) best[v][1] = u;
		if(!best[u][0]) best[u][0] = v;
		else if(!best[u][1]) best[u][1] = v;
	}
	for(int i = 0; i < N; i++)
		if(!best[i][1]) best[i][1] = best[i][0];

	int now = P;
	while(!in[now])	{
		in[now] = 1;
		cyc++;
		now = best[now][1];
	}
	if(now != P)
		cyc = 1000000001;
	proc[P] = 1;
	for(int i = 0; i < N; i++)
		if(!proc[i])dfs(i);
		
	for(int i = 0; i < N; i++){
		time[i][1] = time[best[i][0]] + 1;
		if(time[i][1] <= 150000)
			len[time[i][1]]++;
	}
	for(int i = cyc; i <= N; i++)
		len[i] += len[i - cyc];
	for(int i = 0; i < Q; i++){
		if(G[i] > N){
			G[i] = N - ((cyc - G[i] % cyc) % cyc);
		}
		answer(len[G[i]]);
	}
}

Compilation message

garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:23:20: error: redeclaration of 'int v'
   int v = R[i][0], v = R[i][1];
                    ^
garden.cpp:23:7: note: 'int v' previously declared here
   int v = R[i][0], v = R[i][1];
       ^
garden.cpp:24:32: error: 'u' was not declared in this scope
   if(!best[v][0]) best[v][0] = u;
                                ^
garden.cpp:25:37: error: 'u' was not declared in this scope
   else if(!best[v][1]) best[v][1] = u;
                                     ^
garden.cpp:26:12: error: 'u' was not declared in this scope
   if(!best[u][0]) best[u][0] = v;
            ^
garden.cpp:45:33: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   time[i][1] = time[best[i][0]] + 1;
                ~~~~~~~~~~~~~~~~~^~~