题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1562 Problem Description Happy new year to everybody!Now, I want you to guess a minimum number x betwwn 1000 and 9999 to let (1) x % a = 0;(2) (x+1) % b = 0;(3) (x+2) % c = 0;and a, b, c are integers be…
Problem Description Happy new year to everybody! Now, I want you to guess a minimum number x betwwn 1000 and 9999 to let (1) x % a = 0; (2) (x+1) % b = 0; (3) (x+2) % c = 0; and a, b, c are integers between 1 and 100. Given a,b,c, tell me what is the…
Oil Deposits Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14628 Accepted: 7972 Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular r…
油田问题(L - 暴力求解.DFS) Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerou…
简单地DFS Oil Deposits Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12801 Accepted: 6998 Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectan…
Oil Deposits Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 16655 Accepted: 8917 Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular r…
Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It…
题目: The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It then ana…
显然每个位置只有两个情况,所以用二分图最大匹配来求解. 如果二分图有完全匹配,则有解. 关键是如何求最小的字典序解. 实际上用匈牙利算法从后面开始找增广路,并优先匹配字典序小的即可. # include <cstdio> # include <cstring> # include <cstdlib> # include <iostream> # include <vector> # include <queue> # include…
Oil Deposits The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It…
#include<stdio.h> #include<iostream> #include<set> using namespace std; typedef long long LL; ; LL ans[maxn]; int x[maxn]; char c[maxn]; set<int> row,col; set<int>:: iterator it; int main() { int w, h, n, maxr, maxc; while(~s…