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branch_loc
...
main
@ -1,40 +0,0 @@
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#include <bits/stdc++.h>
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using namespace std;
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int ans=9;
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int main(){
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for (int i=1000;i<=9999;i++){
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int t=i;
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int hh=0,tt=0;
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for (int j=1;j<=4;j++){
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if (j<=2) tt+=t%10,t/=10;
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else hh+=t%10,t/=10;
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}
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if (hh==tt) ans++;
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}
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for (int i=100000;i<=999999;i++){
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int t=i;
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int hh=0,tt=0;
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for (int j=1;j<=6;j++){
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if (j<=3) tt+=t%10,t/=10;
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else hh+=t%10,t/=10;
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}
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if (hh==tt) ans++;
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}
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for (int i=10000000;i<=99999999;i++){
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int t=i;
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int hh=0,tt=0;
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for (int j=1;j<=8;j++){
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if (j<=4) tt+=t%10,t/=10;
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else hh+=t%10,t/=10;
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}
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if (hh==tt) ans++;
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}
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cout<<ans;
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return 0;
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}
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