99 lines
1.8 KiB
C++
99 lines
1.8 KiB
C++
#include <iostream>
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#include <string.h>
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#include <stdio.h>
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using namespace std;
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char s[200];
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int pz(int x,int y)
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{
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int ys=0,i;
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for(i=x;i<=y;i++)
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{
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if(i==x)
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{
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if(s[i]=='+'||s[i]=='-')
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continue;
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else if(s[i]>='0'&&s[i]<='9')
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ys++;
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else
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return 0;
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}
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else
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{
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if(s[i]>='0'&&s[i]<='9')
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ys++;
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else
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{
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return 0;
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}
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}
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}
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if(ys>0)
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return 1;
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else
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return 0;
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}
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int pd(int x,int y)
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{
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int ys=0,i;
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for(i=x;i<=y;i++)
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{
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if(i==x)
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{
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if((s[i]=='+'||s[i]=='-')||(s[i]>='0'&&s[i]<='9'))
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continue;
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else if(s[i]=='.')
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ys++;
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else
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return 0;
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}
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else
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{
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if(s[i]>='0'&&s[i]<='9')
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continue;
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else if(s[i]=='.')
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ys++;
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else
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return 0;
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}
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}
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if(ys==1)
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return 1;
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else
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return 0;
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}
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int main()
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{
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int t,i,ye,e,T;
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scanf("%d",&T);
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getchar();
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while(T--)
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{
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ye=0;
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gets(s);
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t=strlen(s);
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for(i=0;i<t;i++)
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{
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if(s[i]=='E')
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{
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ye=1;
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e=i;
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}
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}
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if(ye==1)
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{
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if((pz(0,e-1)||pd(0,e-1))&&pz(e+1,t-1))
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printf("YES\n");
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else
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printf("NO\n");
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}
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else
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{
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if(pz(0,t-1)||pd(0,t-1))
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printf("YES\n");
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else
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printf("NO\n");
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}
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}
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return 0;
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}
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