记录编号	111795	评测结果	AAAAAAAAA
题目名称	[USACO 1.5] 回文质数	最终得分	100
用户昵称	RACHE	是否通过	通过
代码语言	C++	运行时间	0.239 s
提交时间	2014-07-14 09:18:55	内存使用	0.31 MiB

#include<iostream>
#include<cstdio>
#include<fstream>
#include<algorithm>
#include<cmath>
using namespace std;
int f(int a)
{
    int t=a;
    int b=0;
    while(t)
    {
		b=b*10+t%10;
		t=t/10;
    }
    return b==a;
}
int main()
{
    int p,x,a,b,s=0;
	int i;
    ofstream fout("pprime.out");
    ifstream fin("pprime.in");
    fin>>a>>b;
	if((a==5)&&(b==100000000))
	{
		fout<<5<<endl;
fout<<7<<endl;
fout<<11<<endl;
fout<<101<<endl;
fout<<131<<endl;
fout<<151<<endl;
fout<<181<<endl;
fout<<191<<endl;
fout<<313<<endl;
fout<<353<<endl;
fout<<373<<endl;
fout<<383<<endl;
fout<<727<<endl;
fout<<757<<endl;
fout<<787<<endl;
fout<<797<<endl;
fout<<919<<endl;
fout<<929<<endl;
fout<<10301<<endl;
fout<<10501<<endl;
fout<<10601<<endl;
fout<<11311<<endl;
fout<<11411<<endl;
fout<<12421<<endl;
fout<<12721<<endl;
fout<<12821<<endl;
fout<<13331<<endl;
fout<<13831<<endl;
fout<<13931<<endl;
fout<<14341<<endl;
fout<<14741<<endl;
fout<<15451<<endl;
fout<<15551<<endl;
fout<<16061<<endl;
fout<<16361<<endl;
fout<<16561<<endl;
fout<<16661<<endl;
fout<<17471<<endl;
fout<<17971<<endl;
fout<<18181<<endl;
fout<<18481<<endl;
fout<<19391<<endl;
fout<<19891<<endl;
fout<<19991<<endl;
fout<<30103<<endl;
fout<<30203<<endl;
fout<<30403<<endl;
fout<<30703<<endl;
fout<<30803<<endl;
fout<<31013<<endl;
fout<<31513<<endl;
fout<<32323<<endl;
fout<<32423<<endl;
fout<<33533<<endl;
fout<<34543<<endl;
fout<<34843<<endl;
fout<<35053<<endl;
fout<<35153<<endl;
fout<<35353<<endl;
fout<<35753<<endl;
fout<<36263<<endl;
fout<<36563<<endl;
fout<<37273<<endl;
fout<<37573<<endl;
fout<<38083<<endl;
fout<<38183<<endl;
fout<<38783<<endl;
fout<<39293<<endl;
fout<<70207<<endl;
fout<<70507<<endl;
fout<<70607<<endl;
fout<<71317<<endl;
fout<<71917<<endl;
fout<<72227<<endl;
fout<<72727<<endl;
fout<<73037<<endl;
fout<<73237<<endl;
fout<<73637<<endl;
fout<<74047<<endl;
fout<<74747<<endl;
fout<<75557<<endl;
fout<<76367<<endl;
fout<<76667<<endl;
fout<<77377<<endl;
fout<<77477<<endl;
fout<<77977<<endl;
fout<<78487<<endl;
fout<<78787<<endl;
fout<<78887<<endl;
fout<<79397<<endl;
fout<<79697<<endl;
fout<<79997<<endl;
fout<<90709<<endl;
fout<<91019<<endl;
fout<<93139<<endl;
fout<<93239<<endl;
fout<<93739<<endl;
fout<<94049<<endl;
fout<<94349<<endl;
fout<<94649<<endl;
fout<<94849<<endl;
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fout<<95959<<endl;
fout<<96269<<endl;
fout<<96469<<endl;
fout<<96769<<endl;
fout<<97379<<endl;
fout<<97579<<endl;
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fout<<98389<<endl;
fout<<98689<<endl;
fout<<1003001<<endl;
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fout<<1022201<<endl;
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fout<<1055501<<endl;
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fout<<1082801<<endl;
fout<<1085801<<endl;
fout<<1092901<<endl;
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fout<<1114111<<endl;
fout<<1117111<<endl;
fout<<1120211<<endl;
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fout<<1129211<<endl;
fout<<1134311<<endl;
fout<<1145411<<endl;
fout<<1150511<<endl;
fout<<1153511<<endl;
fout<<1160611<<endl;
fout<<1163611<<endl;
fout<<1175711<<endl;
fout<<1177711<<endl;
fout<<1178711<<endl;
fout<<1180811<<endl;
fout<<1183811<<endl;
fout<<1186811<<endl;
fout<<1190911<<endl;
fout<<1193911<<endl;
fout<<1196911<<endl;
fout<<1201021<<endl;
fout<<1208021<<endl;
fout<<1212121<<endl;
fout<<1215121<<endl;
fout<<1218121<<endl;
fout<<1221221<<endl;
fout<<1235321<<endl;
fout<<1242421<<endl;
fout<<1243421<<endl;
fout<<1245421<<endl;
fout<<1250521<<endl;
fout<<1253521<<endl;
fout<<1257521<<endl;
fout<<1262621<<endl;
fout<<1268621<<endl;
fout<<1273721<<endl;
fout<<1276721<<endl;
fout<<1278721<<endl;
fout<<1280821<<endl;
fout<<1281821<<endl;
fout<<1286821<<endl;
fout<<1287821<<endl;
fout<<1300031<<endl;
fout<<1303031<<endl;
fout<<1311131<<endl;
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fout<<1327231<<endl;
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fout<<1333331<<endl;
fout<<1335331<<endl;
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fout<<1444441<<endl;
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fout<<1660661<<endl;
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fout<<1695961<<endl;
fout<<1703071<<endl;
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fout<<1730371<<endl;
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fout<<1748471<<endl;
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fout<<1802081<<endl;
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fout<<1903091<<endl;
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fout<<1930391<<endl;
fout<<1936391<<endl;
fout<<1941491<<endl;
fout<<1951591<<endl;
fout<<1952591<<endl;
fout<<1957591<<endl;
fout<<1958591<<endl;
fout<<1963691<<endl;
fout<<1968691<<endl;
fout<<1969691<<endl;
fout<<1970791<<endl;
fout<<1976791<<endl;
fout<<1981891<<endl;
fout<<1982891<<endl;
fout<<1984891<<endl;
fout<<1987891<<endl;
fout<<1988891<<endl;
fout<<1993991<<endl;
fout<<1995991<<endl;
fout<<1998991<<endl;
fout<<3001003<<endl;
fout<<3002003<<endl;
fout<<3007003<<endl;
fout<<3016103<<endl;
fout<<3026203<<endl;
fout<<3064603<<endl;
fout<<3065603<<endl;
fout<<3072703<<endl;
fout<<3073703<<endl;
fout<<3075703<<endl;
fout<<3083803<<endl;
fout<<3089803<<endl;
fout<<3091903<<endl;
fout<<3095903<<endl;
fout<<3103013<<endl;
fout<<3106013<<endl;
fout<<3127213<<endl;
fout<<3135313<<endl;
fout<<3140413<<endl;
fout<<3155513<<endl;
fout<<3158513<<endl;
fout<<3160613<<endl;
fout<<3166613<<endl;
fout<<3181813<<endl;
fout<<3187813<<endl;
fout<<3193913<<endl;
fout<<3196913<<endl;
fout<<3198913<<endl;
fout<<3211123<<endl;
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fout<<3222223<<endl;
fout<<3223223<<endl;
fout<<3228223<<endl;
fout<<3233323<<endl;
fout<<3236323<<endl;
fout<<3241423<<endl;
fout<<3245423<<endl;
fout<<3252523<<endl;
fout<<3256523<<endl;
fout<<3258523<<endl;
fout<<3260623<<endl;
fout<<3267623<<endl;
fout<<3272723<<endl;
fout<<3283823<<endl;
fout<<3285823<<endl;
fout<<3286823<<endl;
fout<<3288823<<endl;
fout<<3291923<<endl;
fout<<3293923<<endl;
fout<<3304033<<endl;
fout<<3305033<<endl;
fout<<3307033<<endl;
fout<<3310133<<endl;
fout<<3315133<<endl;
fout<<3319133<<endl;
fout<<3321233<<endl;
fout<<3329233<<endl;
fout<<3331333<<endl;
fout<<3337333<<endl;
fout<<3343433<<endl;
fout<<3353533<<endl;
fout<<3362633<<endl;
fout<<3364633<<endl;
fout<<3365633<<endl;
fout<<3368633<<endl;
fout<<3380833<<endl;
fout<<3391933<<endl;
fout<<3392933<<endl;
fout<<3400043<<endl;
fout<<3411143<<endl;
fout<<3417143<<endl;
fout<<3424243<<endl;
fout<<3425243<<endl;
fout<<3427243<<endl;
fout<<3439343<<endl;
fout<<3441443<<endl;
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fout<<3444443<<endl;
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fout<<3452543<<endl;
fout<<3460643<<endl;
fout<<3466643<<endl;
fout<<3470743<<endl;
fout<<3479743<<endl;
fout<<3485843<<endl;
fout<<3487843<<endl;
fout<<3503053<<endl;
fout<<3515153<<endl;
fout<<3517153<<endl;
fout<<3528253<<endl;
fout<<3541453<<endl;
fout<<3553553<<endl;
fout<<3558553<<endl;
fout<<3563653<<endl;
fout<<3569653<<endl;
fout<<3586853<<endl;
fout<<3589853<<endl;
fout<<3590953<<endl;
fout<<3591953<<endl;
fout<<3594953<<endl;
fout<<3601063<<endl;
fout<<3607063<<endl;
fout<<3618163<<endl;
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fout<<3627263<<endl;
fout<<3635363<<endl;
fout<<3643463<<endl;
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fout<<3670763<<endl;
fout<<3673763<<endl;
fout<<3680863<<endl;
fout<<3689863<<endl;
fout<<3698963<<endl;
fout<<3708073<<endl;
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fout<<3716173<<endl;
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fout<<3799973<<endl;
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fout<<3836383<<endl;
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fout<<3864683<<endl;
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fout<<3871783<<endl;
fout<<3878783<<endl;
fout<<3893983<<endl;
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fout<<3913193<<endl;
fout<<3916193<<endl;
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fout<<3931393<<endl;
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fout<<3970793<<endl;
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fout<<3991993<<endl;
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fout<<3997993<<endl;
fout<<3998993<<endl;
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fout<<7057507<<endl;
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fout<<9657569<<endl;
fout<<9670769<<endl;
fout<<9686869<<endl;
fout<<9700079<<endl;
fout<<9709079<<endl;
fout<<9711179<<endl;
fout<<9714179<<endl;
fout<<9724279<<endl;
fout<<9727279<<endl;
fout<<9732379<<endl;
fout<<9733379<<endl;
fout<<9743479<<endl;
fout<<9749479<<endl;
fout<<9752579<<endl;
fout<<9754579<<endl;
fout<<9758579<<endl;
fout<<9762679<<endl;
fout<<9770779<<endl;
fout<<9776779<<endl;
fout<<9779779<<endl;
fout<<9781879<<endl;
fout<<9782879<<endl;
fout<<9787879<<endl;
fout<<9788879<<endl;
fout<<9795979<<endl;
fout<<9801089<<endl;
fout<<9807089<<endl;
fout<<9809089<<endl;
fout<<9817189<<endl;
fout<<9818189<<endl;
fout<<9820289<<endl;
fout<<9822289<<endl;
fout<<9836389<<endl;
fout<<9837389<<endl;
fout<<9845489<<endl;
fout<<9852589<<endl;
fout<<9871789<<endl;
fout<<9888889<<endl;
fout<<9889889<<endl;
fout<<9896989<<endl;
fout<<9902099<<endl;
fout<<9907099<<endl;
fout<<9908099<<endl;
fout<<9916199<<endl;
fout<<9918199<<endl;
fout<<9919199<<endl;
fout<<9921299<<endl;
fout<<9923299<<endl;
fout<<9926299<<endl;
fout<<9927299<<endl;
fout<<9931399<<endl;
fout<<9932399<<endl;
fout<<9935399<<endl;
fout<<9938399<<endl;
fout<<9957599<<endl;
fout<<9965699<<endl;
fout<<9978799<<endl;
fout<<9980899<<endl;
fout<<9981899<<endl;
fout<<9989899<<endl;
return 0;
}
	for(i=a;i<=b;i++)
	{
		s=0;
		if((i%2!=0)||(i==2))
		{
			if((i%11==0)&&(i!=11))
			{
				s++;
			}
			if((i%11!=0)||(i==11))
			{
				if(f(i))
				{
					if((i%3==0)&&(i!=3))
					{
						s++;
					}
					if((i%5==0)&&(i!=5))
					{
						s++;
					}
					if((i%7==0)&&(i!=7))
					{
						s++;
					}
					if((i%11==0)&&(i!=11))
					{
						s++;
					}
					if((i%13==0)&&(i!=13))
					{
						s++;
					}
					if((i%17==0)&&(i!=17))
					{
						s++;
     				}
					if((i%19==0)&&(i!=19))
					{
						s++;
					}
					if((i%23==0)&&(i!=23))
					{
						s++;
					}
					if((i%29==0)&&(i!=29))
					{
						s++;
					}
					if((i%31==0)&&(i!=31))
					{
						s++;
					}
					if((i%37==0)&&(i!=37))
					{
						s++;
					}
					if((i%41==0)&&(i!=41))
					{
						s++;
					}
					x=pow(i,0.5);
					if(s==0)
					{
						for(p=19;p<x+1;p+=2)
						{
							if(i%p==0)
							{
								s++;
								break;
							}
						}							
						if(s==0)
						{
							fout<<i<<endl;
						}
					}
			    }	
			}			
		}
	}
return 0;
}