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22 lines
282 B
C++
22 lines
282 B
C++
#include <iostream>
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#include <cstring>
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#include <cstdio>
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#include <iomanip>
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using namespace std;
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int main(){
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char a[10000],c;
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int b;
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cin >>a>>b>>c;
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for(int i=0;i<strlen(a);i++){
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if(i==(b-1)){
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cout <<c;
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}
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else{
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cout <<a[i];
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}
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}
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return 0;
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}
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