제출 #16981

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
16981		murat	열대 식물원 (Tropical Garden) (IOI11_garden)	C++98	0 / 100	23 ms	21652 KiB

garden

#include <bits/stdc++.h>
#include "garden.h"
#include "gardenlib.h"

using namespace std;

#define dbgs(x) cerr << (#x) << " --> " << (x) << ' '
#define dbg(x) cerr << (#x) << " --> " << (x) << endl

#define foreach(i,x) for(type(x)i=x.begin();i!=x.end();i++)
#define FOR(ii,aa,bb) for(int ii=aa;ii<=bb;ii++)
#define ROF(ii,aa,bb) for(int ii=aa;ii>=bb;ii--)

#define type(x) __typeof(x.begin())

#define orta (bas + son >> 1)
#define sag (k + k + 1)
#define sol (k + k)

#define pb push_back
#define mp make_pair

#define nd second
#define st first

#define endl '\n'

typedef pair < int ,int > pii;

typedef long long ll;

const long long linf = 1e18+5;
const int mod = (int) 1e9 + 7;
const int logN = 17;
const int inf = 1e9;
const int N = 3e5 + 5;

int p, sz, n, m, x, y, S, t, k, h[N][2];
vector< int > v[N];
vector< pii > g[N][2];
pii D[N];

void dfs(int node, int w, int ww, int s) {
    if(node == p && w == ww && s) { sz = s; return ; }
    D[++S] = mp(0, s);
    foreach(it, g[node][w])
        dfs(it->st, it->nd, ww, s + 1);
}

int take(int k) {
    int ans = 0;
    FOR(i, 1, S) {
        if(k >= D[i].nd && (k - D[i].nd) % D[i].st == 0)
            ans++;
    }
    return ans;
}

void count_routes(int N, int M, int P, int R[][2], int Q, int G[])
{
    int i; p = P;

    n = N, m = M;

    FOR(i, 0, m-1) {
        int x = R[i][0], y = R[i][1];
        if(v[x].size() < 2) v[x].pb(y);
        if(v[y].size() < 2) v[y].pb(x);
    }

    FOR(i, 0, n-1)
        FOR(j, 0, (int)v[i].size()-1) {
            pii y = mp(i, j);
            pii x = mp(v[i][j], 0);
            if(v[v[i][j]][0] == i) x.nd = 1;
            g[x.st][x.nd].pb(y);
        }

    sz = inf + 10; dfs(p, 0, 0, 0);
    FOR(i, 1, S) D[i].st = sz; int t = S + 1;
    sz = inf + 10; dfs(p, 1, 1, 0);
    FOR(i, t, S) D[i].st = sz;


    for(i=0; i<Q; i++)
        answer(take(G[i]-1));
}

컴파일 시 표준 에러 (stderr) 메시지

garden.cpp: In function 'void count_routes(int, int, int, int (*)[2], int, int*)':
garden.cpp:11:23: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
 #define FOR(ii,aa,bb) for(int ii=aa;ii<=bb;ii++)
                       ^
garden.cpp:80:5: note: in expansion of macro 'FOR'
     FOR(i, 1, S) D[i].st = sz; int t = S + 1;
     ^~~
garden.cpp:80:32: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     FOR(i, 1, S) D[i].st = sz; int t = S + 1;
                                ^~~

• Subtask 1: 0 / 49
• Subtask 2: 0 / 20
• Subtask 3: 0 / 31