HDU 2017 多校联赛4 1011 Time To Get Up
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Problem Description
Little Q’s clock is alarming! It’s time to get up now! However, after reading the time on the clock, Little Q lies down and starts sleeping again. Well, he has 5 alarms, and it’s just the first one, he can continue sleeping for a while.
Little Q’s clock uses a standard 7-segment LCD display for all digits, plus two small segments for the ”:”, and shows all times in a 24-hour format. The ”:” segments are on at all times.
Your job is to help Little Q read the time shown on his clock.
Input
The first line of the input contains an integer T(1≤T≤1440), denoting the number of test cases.
In each test case, there is an 7×21 ASCII image of the clock screen.
All digit segments are represented by two characters, and each colon segment is represented by one character. The character ”X” indicates a segment that is on while ”.” indicates anything else. See the sample input for details.
Output
For each test case, print a single line containing a string t in the format of HH:MM, where t(00:00≤t≤23:59), denoting the time shown on the clock.
Sample Input
1
.XX…XX…..XX…XX.
X..X….X……X.X..X
X..X….X.X….X.X..X
……XX…..XX…XX.
X..X.X….X….X.X..X
X..X.X………X.X..X
.XX…XX…..XX…XX.
Sample Output
02:38
题目大意:
这就是给你一个7*21的字符矩阵,看它打印的时间是多少。下面是0—9的打印方法。每个数字占4个字符,数字间空有一格,方便区分。
.xx. …. .xx. .xx. …. .xx. .xx. .xx. .xx. .xx.
x..x …x …x …x x..x x… x… …x x..x x..x
x..x …x …x …x x..x x… x… …x x..x x..x
…. …. .xx. .xx. .xx. .xx. .xx. …. .xx. .xx.
x..x …x x… …x …x …x x..x …x x..x …x
x..x …x x… …x …x …x x..x …x x..x …x
.xx. …. .xx. .xx. …. .xx. .xx. …. .xx. .xx.
c++
#include<iostream>#include<cstdio>#include<cstring>using namespace std;char m[8][25];int sz(int x){ if(m[3][x]=='X'&&m[3][x+1]=='X') { if(m[2][x-1]=='.'&&m[1][x-1]=='.') { if(m[4][x-1]=='.'&&m[5][x-1]=='.') return(3); else return(2); } else { if(m[2][x+2]=='.'&&m[1][x+2]=='.') { if(m[4][x-1]=='.'&&m[5][x-1]=='.') return(5); else return(6); } else { if(m[4][x-1]=='.'&&m[5][x-1]=='.') { if(m[6][x]=='.'&&m[6][x+1]=='.') return(4); else return(9); } else return(8); } } } else { if(m[6][x]=='.'&&m[6][x+1]=='.') { if(m[0][x]=='.'&&m[0][x+1]=='.') return(1); else return(7); } else return(0); }}int main(){ int a,b,c,d,e; cin>>a; getchar(); while(a--) { for(b=0;b<7;b++) { for(c=0;c<21;c++) scanf("%c",&m[b][c]); getchar(); } b=sz(1); c=sz(6); d=sz(13); e=sz(18); printf("%d%d:%d%d\n",b,c,d,e); } return 0;}
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