2024年1月26日
建立一个1个单位长度的字符串string c(1,str[i])
摘要： https://www.luogu.com.cn/problem/P1765?contestId=155201 ` include<bits/stdc++.h> using namespace std; string s[10][4] = { {}, {}, {"a", "b", "c"}, {"d 阅读全文
posted @ 2024-01-26 17:52 CXfang10 阅读(18) 评论(0) 推荐(0)
动态规划dp-背包问题
摘要： https://www.luogu.com.cn/problem/P1048?contestId=154692 ` include<bits/stdc++.h> using namespace std; int v[105]; int value[105]; int dp[105][1005]; i 阅读全文
posted @ 2024-01-26 17:46 CXfang10 阅读(25) 评论(0) 推荐(0)
“桶”
摘要： https://www.luogu.com.cn/problem/B3691?contestId=154692 ` include<bits/stdc++.h> using namespace std; int n, m; int a[500005], b[500005], c[5000005], 阅读全文
posted @ 2024-01-26 17:39 CXfang10 阅读(16) 评论(0) 推荐(0)
“floor”16位小数
摘要： https://www.luogu.com.cn/problem/P8507?contestId=154692 ` include<bits/stdc++.h> using namespace std; double a,b; int main() { scanf("%lf%lf",&a,&b); 阅读全文
posted @ 2024-01-26 17:35 CXfang10 阅读(33) 评论(0) 推荐(0)
字符串“getline”“fgets”“getchar”
摘要： https://www.luogu.com.cn/problem/P8506?contestId=154692 ` include<bits/stdc++.h> using namespace std; int main(){ int n; int count=0; cin >> n; getcha 阅读全文
posted @ 2024-01-26 17:32 CXfang10 阅读(17) 评论(0) 推荐(0)
二分
摘要： https://www.luogu.com.cn/problem/P8647?contestId=154515 ` include<bits/stdc++.h> define x first define y second using namespace std; typedef pair<int, 阅读全文
posted @ 2024-01-26 17:16 CXfang10 阅读(14) 评论(0) 推荐(0)
“substr”函数
摘要： https://www.luogu.com.cn/problem/P8195?contestId=154515 ` include<bits/stdc++.h> using namespace std; int main(){ string s; cin >> s; int i; int count 阅读全文
posted @ 2024-01-26 17:08 CXfang10 阅读(21) 评论(0) 推荐(0)