結果

問題 No.177 制作進行の宮森あおいです！
ユーザー t8m8⛄️t8m8⛄️
提出日時 2015-04-09 09:23:07
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 7,746 bytes
コンパイル時間 4,138 ms
コンパイル使用メモリ 81,900 KB
実行使用メモリ 50,476 KB
最終ジャッジ日時 2024-07-04 13:21:47
合計ジャッジ時間 5,576 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 52 ms
36,756 KB
testcase_01 AC 53 ms
36,864 KB
testcase_02 AC 52 ms
37,192 KB
testcase_03 WA -
testcase_04 AC 51 ms
36,732 KB
testcase_05 AC 52 ms
37,148 KB
testcase_06 AC 54 ms
36,956 KB
testcase_07 AC 53 ms
36,900 KB
testcase_08 AC 52 ms
36,864 KB
testcase_09 AC 55 ms
37,368 KB
testcase_10 AC 56 ms
37,436 KB
testcase_11 AC 54 ms
37,212 KB
testcase_12 AC 57 ms
37,288 KB
testcase_13 AC 51 ms
37,132 KB
testcase_14 AC 54 ms
36,604 KB
testcase_15 AC 52 ms
36,756 KB
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ソースコード

diff # 

//No.177 制作進行の宮森あおいです！

import java.util.*;
import java.io.*;
import static java.util.Arrays.*;
import static java.lang.Math.*;

public class No177_2 {

    static final InputStream in = System.in;
    static final PrintWriter out = new PrintWriter(System.out,false);
    @SuppressWarnings("unchecked")
    static void solve(){
        int w = nextInt();
        int n = nextInt();
        ArrayList[] list = new ArrayList[3];
        for (int i=0; i<3; i++) list[i] = new ArrayList<Integer>();
        int[] x = new int[n+1];
        for (int i=0; i<n; i++) {
            list[0].add(0);
            list[1].add(i+1);
            int t = nextInt();
            list[2].add(t);
            x[i+1] = t;
        }
        int m = nextInt();
        for (int i=0; i<m; i++) {
            list[0].add(n+i+1);
            list[1].add(n+m+1);
            list[2].add(nextInt());
        }
        for (int i=0; i<m; i++) {
            int q = nextInt();
            boolean[] f = new boolean[n+1];
            for (int j=0; j<q; j++) {
                f[nextInt()] = true;
            }
            for (int j=1; j<=n; j++) {
                if (f[j]) continue;
                list[0].add(j);
                list[1].add(n+i+1);
                list[2].add(x[j]);
            }
        }
        int[][][] g = toAdjacencyList(n+m+2,list);
        out.println(w <= fordFulkerson(g,0,n+m+1,w) ? "SHIROBAKO" : "BANSAKUTSUKITA");
    }

    static int[][][] toAdjacencyList(int n,ArrayList<Integer>[] list) {
        int[] cnt = new int[n];
        for (int i : list[0]) cnt[i]++;
        for (int i : list[1]) cnt[i]++;
    
        int[][][] g = new int[n][][];
        for (int i=0; i<n; i++) g[i] = new int[cnt[i]][2];
        for (int i=0; i<list[0].size(); i++) {
            int f = list[0].get(i);
            int t = list[1].get(i);
            g[f][--cnt[f]][0] = t;
            g[f][cnt[f]][1] = list[2].get(i);
        }
        
        return g;
    }

    static int fordFulkerson(int[][][] g, int source, int sink, int limit) {
        int n = g.length;
        int[][] flow = new int[n][n];
        int res = 0;

        while (limit > 0) {
            int[] path = new int[n+1];
            int[] to = new int[n+1];
            BitSet bs = new BitSet();
            Arrays.fill(to,-1);
            path[0] = source;
            bs.set(source);
            int ptr = 1;

            outer:
            while (ptr > 0) {
                int from = path[ptr-1];
                bs.set(from);
                while (++to[ptr-1] < g[from].length) {
                    int next = g[from][to[ptr-1]][0];

                    if ((g[from][to[ptr-1]][1] - flow[from][next] > 0 || flow[next][from] > 0)
                        && !bs.get(next))
                    {
                        path[ptr] = next;
                        to[ptr] = -1;
                        ptr++;
                        if (next == sink) break outer;
                        continue outer;
                    }
                }
                ptr--;
            }
            if (ptr <= 0) break;

            int min = limit;
            for (int i=0; i<ptr-1; i++) {
                min = Math.min(min, g[path[i]][to[i]][1] - flow[path[i]][path[i+1]] > 0
                    ? g[path[i]][to[i]][1] - flow[path[i]][path[i+1]]
                    : flow[path[i+1]][path[i]]);
            }

            res += min;
            limit -= min;
            for (int i=0; i<ptr-1; i++) {
                flow[path[i]][path[i+1]] += min;
                flow[path[i+1]][path[i]] -= min;
            }
        }

        return res;
    }

    static int dfsDinic(int[][][] g, int[] level, int[][] rev, int[][] flow, int cur, int sink, int min){
        if (cur == sink) return min;

        int left = min;

        for (int[] edge : g[cur]) {
            int next = edge[0], cap = edge[1];
            if (level[next] == level[cur] + 1 && cap-flow[cur][next] > 0) {
                int f = dfsDinic(g,level,rev,flow,next,sink,min(left, cap-flow[cur][next]));
                if (f > 0) {
                    flow[cur][next] += f;
                    flow[next][cur] -= f;
                    left -= f;
                    if (left == 0) return min;
                }
            }
        }

        for (int next : rev[cur]) {
            if (level[next] == level[cur] + 1 && -flow[cur][next] > 0) {
                int f = dfsDinic(g,level,rev,flow,next,sink,min(left, -flow[cur][next]));
                if (f > 0) {
                    flow[cur][next] += f;
                    flow[next][cur] -= f;
                    left -= f;
                    if (left == 0) return min;
                }
            }
        }

        return min - left;
    }

    public static void main(String[] args) throws Exception {
        long start = System.currentTimeMillis();

        solve();
        out.flush();

        long end = System.currentTimeMillis();
        //trace(end-start + "ms");
        in.close();
    }

    static void trace(Object... o) { System.out.println(deepToString(o));}

    static final byte[] buf = new byte[1024];
    static int ptr = 0;
    static int buflen = 0;

    static boolean hasNextByte() {
        if (ptr < buflen)
            return true;
        ptr = 0;
        try{
            buflen = in.read(buf);
        }catch (IOException e) {e.printStackTrace();}
        if (buflen <= 0)
            return false;
        return true;
    }

    static int readByte() { if (hasNextByte()) return buf[ptr++]; else return -1;}

    static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}

    static void skip() { while(hasNextByte() && !isPrintableChar(buf[ptr])) ptr++;}

    static boolean hasNext() {skip(); return hasNextByte();}

    static String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    static long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        boolean minus = false;
        long num = readByte();

        if(num == '-'){
            num = 0;
            minus = true;
        }else if (num < '0' || '9' < num){
            throw new NumberFormatException();
        }else{
            num -= '0';
        }
        
        while(true){
            int b = readByte();
            if('0' <= b && b <= '9')
                num = num * 10 + (b - '0');
            else if(b == -1 || !isPrintableChar(b))
                return minus ? -num : num;
            else
                throw new NoSuchElementException();
        }
    }

    static int nextInt() {
        long num = nextLong();
        if (num < Integer.MIN_VALUE || Integer.MAX_VALUE < num)
            throw new NumberFormatException();
        return (int)num;
    }

    static double nextDouble() {
        return Double.parseDouble(next());
    }

    static char nextChar() {
        if (!hasNext()) throw new NoSuchElementException();
        return (char)readByte();
    }

    static String nextLine() {
        while (hasNextByte() && (buf[ptr] == '\n' || buf[ptr] == '\r')) ptr++;
        if (!hasNextByte()) throw new NoSuchElementException();

        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (b != '\n' && b != '\r') {
            sb.appendCodePoint(b);
            b = readByte();
        }

        return sb.toString();
    }

    static int[] nextArrayInt(int n) {
        int[] a = new int[n];
        for (int i=0; i<n; i++) a[i] = nextInt();
        return a;
    }
}
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