上海青少年算法竞赛-6月月赛参考代码T1T2T3T4T5
T1#include <iostream>using namespace std;int main(){ int n; cin >> n; int a = 1;//初始化，0刀是一块 for(int i = 1; i <= n; i++) { //切第i刀时会多i块 a += i; } cout << a; return 0
