\documentclass[11pt]{article}
\title{\textbf{IT WORK}}
\author{}
\usepackage{array}
\setlength{\arrayrulewidth}{0.4mm}
\setlength{\tabcolsep}{14pt}
\usepackage{float}
\usepackage{color}
\usepackage[table]{xcolor}
\date{\today}
\usepackage{multirow}
\begin{document}
\maketitle
\begin{tabular}{|c|c|c|}
\hline
\multicolumn{3}{|l|}{RGUKT}\\
\hline
PUC&Boys&1000\\
\cline{2-3}
&Girls&1000\\
\hline
Engineering&Boys&2000\\
\cline{2-3}
&Girls&2000\\
\hline
\end{tabular}
\vspace{2cm}
\centering
\begin{tabular}{|>{\columncolor{orange!80}}c|c|c|c|c| >{\columncolor{blue!80}}c|c|c|}
\hline
\rowcolor{yellow!80}
\multicolumn{8}{|c|}{PUC-1 Time Table}\\
\hline
\rowcolor{green!70}
\cellcolor{orange!80}
DAY&P1&P2&P3&P4&\cellcolor{blue!100} &P5&P6\\
\hline
MON&P&M&\multicolumn{2}{|c|}{\cellcolor{blue!30} CLAB}&B&\cellcolor{red!20}IT&C\\
\hline
TUE&C&P&E&M&R&\multicolumn{2}{|c|}{\cellcolor{blue!30}PLAB}\\
\hline
WED&E&\cellcolor{red!20}IT&P&T&E&C&M\\
\hline
THU&E&T&C&P&A&\multicolumn{2}{|c|}{M}\\
\hline
FRI&M&\cellcolor{red!20}IT&E&C&K&P&T\\
\hline
SAT&\cellcolor{red!20}IT&M&T&E& &C&P\\
\hline
\end{tabular}
\end{document}
答案1
你的意思是这样的吗？（参见这两个\multirow命令）也许你想要的|c|不是？|l|\multicolumn
\documentclass[11pt]{article}
\title{\textbf{IT WORK}}
\author{}
\usepackage{array}
\setlength{\arrayrulewidth}{0.4mm}
\setlength{\tabcolsep}{14pt}
\usepackage{float}
\usepackage{color}
\usepackage[table]{xcolor}
\date{\today}
\usepackage{multirow}
\begin{document}
\maketitle
\begin{tabular}{|c|c|c|}
\hline
\multicolumn{3}{|l|}{RGUKT}\\
\hline
\multirow{2}*{PUC}&Boys&1000\\
\cline{2-3}
&Girls&1000\\
\hline
\multirow{2}*{Engineering}&Boys&2000\\
\cline{2-3}
&Girls&2000\\
\hline
\end{tabular}
\vspace{2cm}
\centering
\begin{tabular}{|>{\columncolor{orange!80}}c|c|c|c|c| >{\columncolor{blue!80}}c|c|c|}
\hline
\rowcolor{yellow!80}
\multicolumn{8}{|c|}{PUC-1 Time Table}\\
\hline
\rowcolor{green!70}
\cellcolor{orange!80}
DAY&P1&P2&P3&P4&\cellcolor{blue!100} &P5&P6\\
\hline
MON&P&M&\multicolumn{2}{|c|}{\cellcolor{blue!30} CLAB}&B&\cellcolor{red!20}IT&C\\
\hline
TUE&C&P&E&M&R&\multicolumn{2}{|c|}{\cellcolor{blue!30}PLAB}\\
\hline
WED&E&\cellcolor{red!20}IT&P&T&E&C&M\\
\hline
THU&E&T&C&P&A&\multicolumn{2}{|c|}{M}\\
\hline
FRI&M&\cellcolor{red!20}IT&E&C&K&P&T\\
\hline
SAT&\cellcolor{red!20}IT&M&T&E& &C&P\\
\hline
\end{tabular}
\end{document}
