要使用Python批量根据Excel数据绘制饼状图,可以使用pandas和matplotlib库来实现。以下是一个基本的代码示例: import pandas as pd import matplotlib.pyplot as plt
# 读取Excel文件 data pd.read_excel(data.xlsx)
# 提取需要用于绘制饼状图的数据列…
pre { white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important; display: block !important; font-family: "Consolas", "Monaco", "Courier New", …
pre { white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important; display: block !important; font-family: "Consolas", "Monaco", "Courier New", …
洛谷p4782
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
const int N=2e6+10;
int n,m;
int dfn[N],low[N],stk[N],instk[N],tot,cnt,scc[N],top;
vector<int…