Update 'du1/program.c'
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@ -1,7 +1,7 @@
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#include <stdio.h>
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#include <stdio.h>
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int main(){
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int main(){
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int r;
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int r;
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while((r = getchar()) !=EOF && r)
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while((r = getchar()) !=EOF && r){
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if(r >= 'a' && r <= 'z'){
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if(r >= 'a' && r <= 'z'){
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c = 'a' + 'A';
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c = 'a' + 'A';
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}
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}
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