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Codeforces 439D Devu and his Brother 三分
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= - =曾经的三分姿势不对竟然没有被卡掉,,,太逗。。
#include<iostream> #include<string> #include<algorithm> #include<cstdlib> #include<cstdio> #include<set> #include<map> #include<vector> #include<cstring> #include<stack> #include<cmath> #include<queue> using namespace std; #define M 200004 #define N 100040 #define L(x) (x<<1) #define R(x) (x<<1|1) #define Mid(x,y) ((x+y)>>1) #define ll __int64 #define Sum(x) tree[x].sum #define Mod(x) tree[x].mod #define inf 1000000000 ll n,m; ll a[N],b[N]; ll ok(ll x){ ll ans = 0; for(ll i = 1; i <= n; i++)if(x>a[i])ans+=(x-a[i]); for(ll i = 1; i <= m; i++)if(x<b[i])ans+=(b[i]-x); return ans; } int main(){ ll i,j,u,v; while(~scanf("%I64d %I64d",&n,&m)){ ll minn = inf, maxx = 0; for(i=1;i<=n;i++)scanf("%I64d",&a[i]), minn = min(minn,a[i]); for(i=1;i<=m;i++)scanf("%I64d",&b[i]), maxx = max(maxx,b[i]); if(minn>=maxx){puts("0");continue;} ll ans = inf; ll l = minn, r = maxx; ans = min(ok(l),ok(r)); while(l<r){ ll mid1 = (l+r)/2, mid2 = (mid1+r)/2; ll tmp1 = ok(mid1), tmp2 = ok(mid2); if(tmp1>tmp2) l = mid1; else r = mid2; ans = min(ans, min(tmp1, tmp2)); } printf("%I64d\n",ans); } return 0; } /* 2 2 2 3 3 5 3 2 1 2 3 3 4 3 2 4 5 6 1 2 */
Codeforces 439D Devu and his Brother 三分
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