mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
1b77522684
4800-4899
21 lines
396 B
C++
21 lines
396 B
C++
#include<stdio.h>
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#include<string.h>
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char s[1000005];
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int main(){
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int t,n,m,i,j;
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scanf("%d",&t);
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while(t--){
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scanf("%d%d",&n,&m);
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scanf("%s",s);
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for(i=0,j=0;i<n*m;i++){
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printf("%c",s[i]);
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j++;
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if(j==m){
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printf("\n");
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j=0;
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}
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}
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}
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return 0;
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}
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