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https://github.com/renbaoshuo/S2OJ.git
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56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
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#include<cstdio>
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#include<cstdlib>
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#include<cstring>
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#include<cmath>
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#include<algorithm>
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using namespace std;
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typedef long long LL;
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int main()
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{
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//freopen("1.in","r",stdin);
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char c,last;
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int nSpace=0,nR=0,first;
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while(1)
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{
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last=c,c=getchar();
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if(c==EOF)
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{
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if(last!='\n')
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putchar('\n');
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break;
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}
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else if(c!='\r'&&c!=' ')
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{
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if(c!='\n'&&first==0)
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{
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for(int j=1;j<=nSpace;++j)
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putchar(' ');
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for(int j=1;j<=nR;++j)
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putchar('\r');
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}
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else if(c!='\n')
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{
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for(int j=1;j<=nR;++j)
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putchar('\r');
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for(int j=1;j<=nSpace;++j)
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putchar(' ');
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}
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nSpace=nR=0;
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putchar(c);
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}
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else if(c==' ')
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{
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++nSpace;
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if(nR==0)
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first=0;
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}
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else
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{
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++nR;
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if(nSpace==0)
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first=1;
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}
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}
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return 0;
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}
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