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//C++ #include <bits/stdc++.h> int kq(int x){ int res = 0; x=x/50000; for(int a = 0;a<=x;a++){ for(int b=0;b<=x/2;b++){ for(int c=0;c<=x/4;c++){ for(int d = 0;d<=x/10;d++){ if(a + b*2 + c*4 + d*10 == x) res++; } } } } return res; } int main() { int n,res=0; scanf("%d",&n); if(n<50000 || n>5000000 || n%50000!=0) printf("0"); else { printf("%d",kq(n)); } return 0; }
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