B - Battle Ships Time Limit:2000MS     Memory Limit:65536KB     64bit IO Format:%lld & %llu Submit Status Practice ZOJ 3623 Appoint description:   Description Battle Ships is a new game which is similar to Star Craft. In this game, the enemy builds a…

Battle Ships Time Limit: 2 Seconds      Memory Limit: 65536 KB Battle Ships is a new game which is similar to Star Craft. In this game, the enemy builds a defense tower, which has L longevity. The player has a military factory, which can produce N ki…

链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3623 题意:给出N种可以建造的船和对方的塔生命值L,每种船给出建造时间t[i]和每秒输出dps[i],船坞在同一时间仅仅能建造一支船(类似红警),问多少时间以后可以灭掉塔. 思路:dp[i]代表的是在前i秒内能造成的伤害量,把时间反过来考虑,对于每支船的建造,在前i秒内所占用的建造时间是第i-t[i]+1~i秒,状态转移方程是dp[i+t[j]]=max(dp[i+…

传送门Battle Ships Time Limit: 2 Seconds      Memory Limit: 65536 KB Battle Ships is a new game which is similar to Star Craft. In this game, the enemy builds a defense tower, which has L longevity. The player has a military factory, which can produce N…

传送门 D. One-Dimensional Battle Ships time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Alice and Bob love playing one-dimensional battle ships. They play on the field in the form of a line con…

D. One-Dimensional Battle ShipsTime Limit: 2 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/567/problem/D Description Alice and Bob love playing one-dimensional battle ships. They play on the field in the form of a line consisting of n s…

Battle ships Problem DescriptionDear contestant, now you are an excellent navy commander, who is responsible of a tough mission currently.Your fleet unfortunately encountered an enemy fleet near the South Pole where the geographical conditions are ne…

D. One-Dimensional Battle ShipsTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/567/problem/D Description Alice and Bob love playing one-dimensional battle ships. They play on the field in the form of a line consisting of n …

二分图匹配: 分别按行和列把图展开.hungary二分图匹配. ... 例子: 4 4 *ooo o### **#* ooo* 按行展开. .. . *ooo o#oo oo#o ooo# **#o ooo* ooo* 再按列展开... 7 * 8 *ooooooo oooooooo oooooooo oooooooo *o*ooooo ooooooo* ooooooo* 匹配结果3 Battle ships Time Limit: 2000/1000 MS (Java/Others)    M…

Battle ships Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1007    Accepted Submission(s): 353 Problem Description Dear contestant, now you are an excellent navy commander, who is responsible…