Use the plural form ``days‘‘ even if the answer is 1.
附上AC代码：
#include <iostream>
#include <cstdio>
#include <iomanip>
#include <string>
#include <cstring>
#include <cmath>
#include <algorithm>
using namespace std;
const double PI = acos(-1.0);
const int loop1 = 23;
const int loop2 = 28;
const int loop3 = 33;
int main()
{
ios::sync_with_stdio(false);
int p, e, i, d;
int cas = 1;
while (cin >> p >> e >> i >> d)
{
if (p==-1 && e==-1 && i==-1 && d==-1)
break;
int day = 1;
while (day)
{
if ((day-p)%loop1==0 && (day-e)%loop2==0 && (day-i)%loop3==0 && day>d)
break;
day++;
}
day -= d;
cout << "Case " << cas << ": the next triple peak occurs in " << day << " days.\n";
cas++;
}
return 0;
}
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原文地址：http://blog.csdn.net/silenceneo/article/details/47748159
