双重for里的if

最新推荐文章于 2022-06-03 14:58:27 发布

原创最新推荐文章于 2022-06-03 14:58:27 发布 · 334 阅读

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本文通过三个C++代码示例，详细展示了如何使用多重循环结合条件判断进行程序控制。探讨了在不同条件下，如何利用continue、break及return语句来改变循环流程，为读者提供了深入理解循环控制结构的机会。

#include<iostream>
using namespace std;
int main(){
	int n = 3, N = 10;
	for (int i = 0; i <5; ++i){
		cout << endl;
		cout << "最外层 i= " << i;
		for (int j = 0; j < N; ++j){
			cout << " j= " << j;
			if (i == j){
				cout << endl;
				cout << i << j << "*  " << endl;;
				continue;
			}
		}
	}
	return 0;
}

#include<iostream>
using namespace std;
int main(){
	int n = 3, N = 10;
	for (int i = 0; i <5; ++i){
		cout << "最外层 i= " << i;
		for (int j = 0; j < N; ++j){
			cout << " j= " <<j;
			if (i == j){
				cout << endl;
				cout << i << j << "*  " << endl;;
				break;
			}
		}
	}
	return 0;
}

#include<iostream>
using namespace std;
int main(){
	int n = 3, N = 10;
	for (int i = 0; i <5; ++i){
		cout << endl;
		cout << "最外层 i= " << i;
		for (int j = 1; j < N; ++j){
			cout << " j= " << j;
			if (i == j){
				cout << endl;
				cout << i << j << "*  " << endl;;
				return 1;
			}
		}
	}
	return 0;
}