第十一章模拟 4 AcWing 1515. U 形 Hello World

左手的ㄟ右手 2024-03-31 12:30 54阅读 0赞

## 第十一章 模拟 4 AcWing 1515. U 形 Hello World ##

### 原题链接 ###

[AcWing 1515. U 形 Hello World][AcWing 1515. U _ Hello World]

### 算法标签 ###

模拟

### 思路 ###

计算符合题意得n1, n2, n3, 模拟填入矩阵输出

##### 如何计算符合题意得n1, n2, n3 #####

![在这里插入图片描述][3c922e7d372246c2bfa58f83e0f852b1.png]

### 代码 ###

#pragma GCC optimize(2)
    #pragma GCC optimize(3)
    #include<bits/stdc++.h>
    #define int long long
    #define xx first
    #define yy second
    #define ump unordered_map
    #define us unordered_set
    #define pq priority_queue
    #define rep(i, a, b) for(int i=a;i<b;++i)
    #define Rep(i, a, b) for(int i=a;i>=b;--i)
    using namespace std;
    typedef pair<int, int> PII;
    const int N=85, inf=0x3f3f3f3f3f3f3f3f, mod=1e9+7;
    const double Exp=1e-8;
    //int t, n, m, cnt, ans;
    char g[N][N], c[N];
    string s;
    int n, n1, n2, k;
    inline int rd(){
       int s=0,w=1;
       char ch=getchar();
       while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
       while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
       return s*w;
    }
    void put(int x) {
        if(x<0) putchar('-'),x=-x;
        if(x>=10) put(x/10);
        putchar(x%10^48);
    }
    signed main(){
    	ios::sync_with_stdio(false);
    	cin.tie(0);
    	cout.tie(0);
    	scanf("%s", c);
    	s=c;
    	n=s.size();
    	int n1=(n+2)/3;
    	int n2=n+2-n1*2;
    	k=0;
    	rep(i, 0, n1){
    	    g[i][0]=s[k++];
    	}
    	rep(i, 1, n2){
    	    g[n1-1][i]=s[k++];
    	}
    	Rep(i, n1-2, 0){
    	    g[i][n2-1]=s[k++];
    	}
    	rep(i, 0, n1){
    	    rep(j, 0, n2){
    	        if(g[i][j]){
    	            printf("%c", g[i][j]);
    	        }else{
    	            printf(" ");
    	        }
    	    }
    	    puts(" ");
    	}
    	return 0;
    }

### 参考文献 ###

[AcWing 1515. U 形 Hello World（PAT甲级辅导课）y总视频讲解][AcWing 1515. U _ Hello World_PAT_y]

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![在这里插入图片描述][9cb4cb80a18345158f8a69e2f196e5b9.png]

[AcWing 1515. U _ Hello World]: https://www.acwing.com/problem/content/1517/
[3c922e7d372246c2bfa58f83e0f852b1.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/31/3aadadb321db4dfe8d4110e560a4981a.png
[AcWing 1515. U _ Hello World_PAT_y]: https://www.acwing.com/video/1240/
[9cb4cb80a18345158f8a69e2f196e5b9.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/31/ac08720a2a8e44cb98835bd4445b37d3.png