Submission #1173605

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <vector>
#include <iostream>
#include <set>
#include <map>
#include <iomanip>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
typedef long long ll;

int n;

isPrime(int n) {
	if (n < 2) return false;
	for (int i = 2; i*i <= n; i++) {
		if (n % i == 0) return false;
	}
	return true;
}

int main(int argc, char const *argv[]) {
	cin >> n;
	n = n * (n+1) / 2;
	if (isPrime(n)) cout << "WANWAN" << endl;
	else cout << "BOWWOW" << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp:16:14: error: ISO C++ forbids declaration of ‘isPrime’ with no type [-fpermissive]
 isPrime(int n) {
              ^