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CSU 多校训练第二场 J Pinemi Puzzles

时间:2019-03-24 09:42:10      阅读:131      评论:0      收藏:0      [点我收藏+]

标签:scan   f11   etc   ...   user   lin   names   9.png   res   

传送门:http://acm.csu.edu.cn:20080/csuoj/problemset/problem?pid=2279

题意:技术图片

技术图片

 

技术图片

技术图片

技术图片

 

 

代码:

技术图片
#include <set>
#include <map>
#include <deque>
#include <queue>
#include <stack>
#include <cmath>
#include <ctime>
#include <bitset>
#include <cstdio>
#include <string>
#include <vector>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
/**
 *        ┏┓    ┏┓
 *        ┏┛┗━━━━━━━┛┗━━━┓
 *        ┃       ┃  
 *        ┃   ━    ┃
 *        ┃ >   < ┃
 *        ┃       ┃
 *        ┃... ⌒ ...  ┃
 *        ┃       ┃
 *        ┗━┓   ┏━┛
 *          ┃   ┃ Code is far away from bug with the animal protecting          
 *          ┃   ┃   神兽保佑,代码无bug
 *          ┃   ┃           
 *          ┃   ┃        
 *          ┃   ┃
 *          ┃   ┃           
 *          ┃   ┗━━━┓
 *          ┃       ┣┓
 *          ┃       ┏┛
 *          ┗┓┓┏━┳┓┏┛
 *           ┃┫┫ ┃┫┫
 *           ┗┻┛ ┗┻┛
 */

typedef long long LL;
typedef pair<LL, LL> pLL;
typedef pair<LL, int> pLi;
typedef pair<int, LL> pil;;
typedef pair<int, int> pii;
typedef unsigned long long uLL;
#define lson l,mid,rt<<1
#define rson mid+1,r,rt<<1|1
#define bug printf("*********\n")
#define FIN freopen("input.txt","r",stdin);
#define FON freopen("output.txt","w+",stdout);
#define IO ios::sync_with_stdio(false),cin.tie(0)
#define debug1(x) cout<<"["<<#x<<" "<<(x)<<"]\n"
#define debug2(x,y) cout<<"["<<#x<<" "<<(x)<<" "<<#y<<" "<<(y)<<"]\n"
#define debug3(x,y,z) cout<<"["<<#x<<" "<<(x)<<" "<<#y<<" "<<(y)<<" "<<#z<<" "<<z<<"]\n"
LL read() {
    int x = 0, f = 1; char ch = getchar();
    while(ch < 0 || ch > 9) {
        if(ch == -)f = -1;
        ch = getchar();
    }
    while(ch >= 0 && ch <= 9) {
        x = x * 10 + ch - 0;
        ch = getchar();
    }
    return x * f;
}
const double eps = 1e-8;
const int mod = 1e9 + 7;
const int maxn = 3e5 + 5;
const int INF = 0x3f3f3f3f;
const LL INFLL = 0x3f3f3f3f3f3f3f3f;
int mp[15][15], ans[15][15];

int dx[] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[] = {0, 1, 0, -1, 1, -1, 1, -1};

int sum[15][15];
int sumr[15];
int sumc[15];
int get_cnt(int x, int y) {
    int cnt = 0;
    for(int i = 0; i < 8; i++) {
        int nx = x + dx[i];
        int ny = y + dy[i];
        if(nx > 0 && nx <= 10 && ny > 0 && ny <= 10 && mp[nx][ny] == -1) {
            cnt += ans[nx][ny];
        }
    }
    return cnt;
}
void add(int x, int y, int num) {
    for(int i = 0; i < 8; i++) {
        int nx = x + dx[i];
        int ny = y + dy[i];
        if(nx > 0 && nx <= 10 && ny > 0 && ny <= 10 && mp[nx][ny] != -1) {
            sum[nx][ny] += num;
        }
    }
}

// bool check(int x, int y) {
//     if(mp[x - 1][y - 1] != -1) {
//         int cnt = get_cnt(x - 1, y - 1);
//         if(cnt != mp[x - 1][y - 1]) return false;
//     }
// }
bool check(int x, int y) {
    if(x != 1 && y != 1) {
        if(mp[x - 1][y - 1] != -1 && sum[x - 1][y - 1] != mp[x - 1][y - 1]) {
            return false;
        }
    }
    if(x == 10 && y != 1) {
        if(mp[x][y - 1] != -1 && sum[x][y - 1] != mp[x][y - 1]) {
            return false;
        }
    }
    if(y == 10 && x != 1) {
        if(mp[x - 1][y] != -1 && sum[x - 1][y] != mp[x - 1][y]) {
            return false;
        }
    }
    return true;
}
bool check_sum(int x, int y) {

    int num = 0;
    for(int i = x + 1; i <= 10; i++) {
        if(mp[i][y] == -1) {
            num++;
        }
    }
    if(num * 3 + sumc[y] < 10 || num + sumc[y] > 10) {
        return false;
    }

    num = 0;
    for(int i = y + 1; i <= 10; i++) {
        if(mp[x][i] == -1) {
            num++;
        }
    }
    if(num * 3 + sumr[x] < 10 || num + sumr[x] > 10) {
        return false;
    }
    if(!check(x, y)) {
        return false;
    }
    return true;
}
bool dfs(int x, int y) {
    if(x > 10) return true;
    int tx = x, ty = y;
    ty++;
    if(ty > 10) {
        ty = 1;
        tx++;
    }
    if(mp[x][y] != -1) {
        if(check(x, y) && dfs(tx, ty)) {
            return true;
        } else {
            return false;
        }
    }
    for(int num = 1; num <= 3; num++) {
        //debug1(num);

        ans[x][y] = num;
        sumr[x] += num;
        sumc[y] += num;
        add(x, y, num);
        if(check_sum(x, y) && dfs(tx, ty)) {
            return true;
        }
        sumr[x] -= num;
        sumc[y] -= num;
        add(x, y, -num);
    }
    return false;

}

int main() {
#ifndef ONLINE_JUDGE
    FIN
#endif
    int T;
    scanf("%d", &T);
    while(T--) {
        memset(mp, 0, sizeof(mp));
        memset(sum, 0, sizeof(sum));
        memset(ans, 0, sizeof(ans));
        memset(sumc, 0, sizeof(sumc));
        memset(sumr, 0, sizeof(sumr));
        int cas;
        scanf("%d", &cas);
        for(int i = 1; i <= 10; i++) {
            int cnt = 0;
            for(int j = 1; j <= 10; j++) {
                scanf("%d", &mp[i][j]);
                if(mp[i][j] == -1) cnt++;
                else ans[i][j] = mp[i][j];
            }
        }

        dfs(1, 1);
        printf("%d\n", cas);
        for(int i = 1; i <= 10; i++) {
            for(int j = 1; j <= 10; j++) {
                printf("%d%c", ans[i][j], j == 10 ? \n :  );
            }
        }
    }
    return 0;
}
/**********************************************************************
    Problem: 2279
    User: buerdepepeqi
    Language: C++
    Result: AC
    Time:16 ms
    Memory:2024 kb
**********************************************************************/
View Code

 

CSU 多校训练第二场 J Pinemi Puzzles

标签:scan   f11   etc   ...   user   lin   names   9.png   res   

原文地址:https://www.cnblogs.com/buerdepepeqi/p/10586817.html

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