M - Find a way

博客讲述yifenfei回到宁波与好友Merceki相约KFC碰面,要选一个使两人总用时最短的KFC。给出宁波地图,两人可上下左右移动,每移动一格耗时11分钟。还给出输入输出格式及示例。

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Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally. Leave Ningbo one year, yifenfei have many people to meet. Especially a good friend Merceki.
Yifenfei’s home is at the countryside, but Merceki’s home is in the center of city. So yifenfei made arrangements with Merceki to meet at a KFC. There are many KFC in Ningbo, they want to choose one that let the total time to it be most smallest.
Now give you a Ningbo map, Both yifenfei and Merceki can move up, down ,left, right to the adjacent road by cost 11 minutes.
Input
The input contains multiple test cases.
Each test case include, first two integers n, m. (2<=n,m<=200).
Next n lines, each line included m character.
‘Y’ express yifenfei initial position.
‘M’ express Merceki initial position.
‘#’ forbid road;
‘.’ Road.
‘@’ KCF
Output
For each test case output the minimum total time that both yifenfei and Merceki to arrival one of KFC.You may sure there is always have a KFC that can let them meet.
Sample Input
4 4
Y.#@

.#…
@…M
4 4
Y.#@

.#…
@#.M
5 5
Y…@.
.#…
.#…
@…M.
#…#
Sample Output
66
88
66

#include<cstdio>
#include<cstring>
#include<queue>
#include<iostream>
#include<algorithm>
using namespace std;
typedef struct
{
	int x,y;
	int s;
}N;
N Y,M;
int n,m;
int vis[320][320];
char mise[320][320];
int res[320][320][5];
int d[4][2]={{0,1},{0,-1},{1,0},{-1,0}};
void bfs(N t,int num)
{
	queue<N>q;
    q.push(t);
	memset(vis,0,sizeof(vis));
	vis[t.x][t.y]=1;
	N no,nn;
	while(q.size())
	{
      no=q.front();
	  q.pop();
	  if(mise[no.x][no.y]=='@')
	    res[no.x][no.y][num]=no.s;
	  for(int i=0;i<4;i++)
	  {
		  nn.x=no.x+d[i][0];
		  nn.y=no.y+d[i][1];
          nn.s=no.s+1;
		  if(nn.x>=0&&nn.x<n&&nn.y>=0&&nn.y<m&&!vis[nn.x][nn.y]&&mise[nn.x][nn.y]!='#')
		  {
			  vis[nn.x][nn.y]=1;
			   q.push(nn);
		  }
	  }
	}
}
int main()
{
	int i,j;
	while(cin>>n>>m)
	{ 
		for(i=0;i<n;i++)
		{
			 cin>>mise[i];
			 for(j=0;j<m;j++)
			 {
				 if(mise[i][j]=='Y')
				 {
					 Y.x=i;
					 Y.y=j;
					 Y.s=0;
				 }
				 if(mise[i][j]=='M')
				 {
					 M.x=i;
					 M.y=j;
                     M.s=0;
				 }
			 }
		 }
		 memset(res,0,sizeof(res));
		 bfs(Y,0);
		 bfs(M,1);
		 int ans=0x3f3f3f;
		 for(i=0;i<n;i++)
		 {
			 for(j=0;j<m;j++)
			 {
                if(res[i][j][0]&&res[i][j][1])
				ans=min(ans,res[i][j][0]+res[i][j][1]);
			 }
		 }
		 cout<<ans*11<<endl;
	}
	return 0;
}
#!/bin/bash #source ~/.bashrc source /etc/profile #本文作用:当前目录下所有jar的启动-重启-停止-findall等操作 #tset.sh stop -a (如果该JAR包已启动则先杀后启) #主要指令 分为 start(启动) stop(停止) 如果没写 则默认start #次要指令 -x {纯数字} (非必填) 设置JVM -a 启动当前文件夹下所有jar包(非必填) #方式1已验证成功 ./test123.sh startfile/stopfile/restartfile/ 根据事先写好的test1111.sh内容进行启动 #方式2已验证成功 ./test123.sh startall/stopall/restartall/ 根据当前路径下所有jar包进行启动 #命令3已验证成功 ./test123.sh c8085.jar(如果没起就起,如果已起就重启) #命令4已验证成功 ./test123.sh findall(查找出当前目录下所有*.jar格式的包) #备注:需要将di2lie里边的grep -v test123 改成启动文件名。 #test.sh {主要指令} echo "启动qidong" # 1启动 2停止 3重启 export JVM_XM="-Xms256 -Xmx256" export JAR_NAMES export JAR_PID #export java_path=`echo $JAVA_HOME` java_path=$(dirname $(dirname $(readlink -f $(which javac)))) #export java_path=`/home/jdk1.8.0_281` export pids=`ps -ef | grep $* | grep -v grep | awk '{print $2}'| xargs` export di1lie=`ps -ef | grep $* | grep -v 'grep' | awk '{print $1}' | xargs` export di2lie=`ps -ef | grep $* | grep -v "grep" | grep -v start123 | awk '{print $2}' | xargs` ##export aaa=($(find . -type f -name "*.jar" |sed 's#^\./##' |grep -v "/")) #当前文件夹下所有jar,暂时不用,但aaa的结果是对的 export FILE_NAME=($(find *.jar | awk '{print $1 ""}')) #当前文件夹所有jar export java_id=$(ps -ef|grep java |grep -v grep |awk '{print $2}') #-x 设置JVM 暂时未实现 #-a 启动当前文件夹全部jar包 已实现 ./test123.sh startall for arg in $*; do case $arg in #方式1 "startfile") #JAR_NAMES[${#JAR_NAMES[@]}]=$arg echo "startfile";; "stopfile") #JAR_NAMES[${#JAR_NAMES[@]}]=$arg echo "stopfile";; "restartfile") #JAR_NAMES[${#JAR_NAMES[@]}]=$arg echo "restartfile";; #方式2 "startall") #JAR_NAMES[${#JAR_NAMES[@]}]=$FILE_NAME echo "startall";; "stopall") #JAR_NAMES[${#JAR_NAMES[@]}]=$FILE_NAME echo "stopall";; "restartall") #JAR_NAMES[${#JAR_NAMES[@]}]=$FILE_NAME echo "restartall";; #命令3 *".jar") #JAR_NAMES[${#JAR_NAMES[@]}]=$arg echo ".jar";; #命令4 "findall") #JAR_NAMES[${#JAR_NAMES[@]}]=$FILE_NAME echo "findall";; esac done for name in ${JAR_NAMES[*]} do #$pids=`ps -ef | grep java | grep -v "grep" | awk '{print $2}'` # echo "${JAR_NAMES[*]} 000000000000000000" echo "000000000000000000" done for pid in $arg do case $arg in #方式1 "startfile") . ./test1111.sh #JAR_PID[${#JAR_PID[@]}]=`ps -ef | grep java | grep -v grep | awk '{print $2}' | xargs` pids=`ps -ef | grep java | grep -v "grep" | awk '{print $2}'` ;; "stopfile") pids=`ps -ef | grep java | grep -v "grep" | awk '{print $2}'` kill -9 $pids;; #JAR_PID[${#JAR_PID[@]}]=`ps -ef | grep java | grep -v grep | awk '{print $2}' | xargs` #kill -9 $JAR_PID;; "restartfile") pids=`ps -ef | grep java | grep -v "grep" | awk '{print $2}'` kill -9 $pids . ./test1111.sh;; #方式2 "startall") for i in ${!FILE_NAME[*]}; do jar_id=`(ps -ef | grep ${FILE_NAME[i]} | grep -v "grep" | grep -v start123 | awk '{print $2}' | xargs )` #进程 if [[ ( ${FILE_NAME[i]} == *"-comprehensive.jar"*) ]]; then #comprehensive包 if [[ ( $jar_id != "" ) ]]; then #起了就不起 echo "${FILE_NAME[i]} is already started! the process is $jar_id/" fi if [[ ( $jar_id == "" ) ]]; then #没起就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms1500M -Xmx1500M -jar "${FILE_NAME[i]}" > "${FILE_NAME[i]}.log" 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi elif [[ ( ${FILE_NAME[i]} == *"-auc.jar"*) ]]; then #auc包 if [[ ( $jar_id != "" ) ]]; then #起了就不起 echo "${FILE_NAME[i]} is already started,the process is $jar_id/" fi if [[ ( $jar_id == "" ) ]]; then #没起就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar "${FILE_NAME[i]}" > "${FILE_NAME[i]}.log" 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi else if [[ ( $jar_id != "" ) ]]; then #起了就不起 echo "${FILE_NAME[i]} is already started,the process is $jar_id/" fi if [[ ( $jar_id == "" ) ]]; then #没起就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms256M -Xmx256M -jar "${FILE_NAME[i]}" > "${FILE_NAME[i]}.log" 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi fi printf "\n" done ;; "stopall") abc=$(pwd) #shell脚本里。获取当前路径值赋值给abc echo "pwd:$(pwd)" for id in ${java_id[*]}; do exe_path=$(readlink /proc/$id/cwd) if [[ "$exe_path" == "$abc" ]];then #echo "id=$id~~~~~~~~~~~" kill -9 $id echo "$id is killed" else echo "the process:$id start way is not in $abc ,the way is in $exe_path" fi; done ;; "restartall") abc=$(pwd) #shell脚本里。获取当前路径值赋值给abc for id in ${java_id[*]}; do exe_path=$(readlink /proc/$id/cwd) if [[ "$exe_path" == "$abc" ]];then kill -9 $id echo "$id is killed" else echo "the process:$id start way is not in $abc , the way is in $exe_path" fi; done for i in ${!FILE_NAME[*]}; do if [[ ( ${FILE_NAME[i]} == *"-comprehensive.jar"*) ]]; then #comprehensive包 if [[ ($di1lie=="root root root" )&&( $di2lie != "" )]] ; then #comprehensive起了,先杀再起 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms1500M -Xmx1500M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "$di2lie is start ready!" fi if [[ ( $di1lie == "root root" )&&( $di2lie == "" ) ]]; then #comprehensive没起,就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms1500M -Xmx1500M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi elif [[ ( ${FILE_NAME[i]} == *"-auc.jar"*) ]]; then #auc包 if [[ ($di1lie=="root root root" )&&( $di2lie != "" )]] ; then #auc起了,先杀再起 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "${FILE_NAME[i]} is start ready!" fi if [[ ( $di1lie == "root root" )&&( $di2lie == "" ) ]]; then #auc没起,就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi else #其他包 if [[ ($di1lie=="root root root" )&&( $di2lie != "" ) ]]; then #起了先杀再起111 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms256M -Xmx256M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "${FILE_NAME[i]} is restart readay!" fi if [[ ( $di1lie == "root root" )&&( $di2lie == "" ) ]]; then #没起就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms256M -Xmx256M -jar $abc/${FILE_NAME[i]} > $abc/${FILE_NAME[i]}.log 2>&1 & echo "${FILE_NAME[i]} is start readay!" fi fi done ;; #命令3 *".jar") abc=$(pwd) if [[ ($* == *-comprehensive.jar*) ]]; then #comprehensive包 if [[ ($di1lie=='root root root' )&&( $di2lie != '' )]] ; then #comprehensive起了,先杀再起 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms1500M -Xmx1500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$arg is start ready!" fi if [[ ( $di1lie == 'root root' )&&( $di2lie == '' ) ]]; then #comprehensive没起,就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms1500M -Xmx1500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$* is start readay!" fi elif [[ ($* == *-unify.jar*) ]]; then #unify包 if [[ ($di1lie=='root root root' )&&( $di2lie != '' )]] ; then #unify起了,先杀再起 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$arg is start ready!" fi if [[ ( $di1lie == 'root root' )&&( $di2lie == '' ) ]]; then #unify没起,就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$* is start readay!" fi elif [[ ($* == *-auc.jar*) ]]; then #auc包 if [[ ($di1lie=='root root root' )&&( $di2lie != '' )]] ; then #auc起了,先杀再起 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$arg is start ready!" fi if [[ ( $di1lie == 'root root' )&&( $di2lie == '' ) ]]; then #auc没起,就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms500M -Xmx500M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$* is start readay!" fi else #其他包 if [[ ($di1lie=='root root root' )&&( $di2lie != '' ) ]]; then #起了先杀再起111 kill -9 $di2lie nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms256M -Xmx256M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$* is restart readay!" fi if [[ ( $di1lie == 'root root' )&&( $di2lie == '' ) ]]; then #没起就起 nohup $java_path/bin/java -Dfile.encoding=utf-8 -Xms256M -Xmx256M -jar "$abc/$*" > "$abc/$*.log" 2>&1 & echo "$* is start readay!" fi fi ;; #命令4 "findall") echo "$(pwd)/下有如下包:" for i in ${!FILE_NAME[*]}; do echo "${FILE_NAME[i]}" done printf "\n" echo "$(pwd)/下未启动的包有:" for i in ${!FILE_NAME[*]}; do no_id=$(ps -ef | grep ${FILE_NAME[i]} | grep -v "grep" | grep -v start123 | awk '{print $2}' | xargs) if [[ -z "${no_id}" ]]; then echo "${FILE_NAME[i]}!" fi done printf "\n" echo "$(pwd)/下启动的包有:" for i in ${!FILE_NAME[*]}; do no_id=$(ps -ef | grep ${FILE_NAME[i]} | grep -v "grep" | grep -v start123 | awk '{print $2}' | xargs) if [[ ! -z "${no_id}" ]]; then echo "${FILE_NAME[i]}已启动,进程ID为${no_id}" fi done esac done printf "\n" echo "结束jieshu" 如何让这个脚本,让通过ssh执行的这个脚本时,脚本能正确获取java环境
最新发布
07-31
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