Title effect: The same 1061 is the interval for each type of volunteer work is multilevel
Is this card network traffic? Unknown
All in all 1061 you will be able to change in slightly--
#include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include < algorithm> #define INF 1e10#define EPS 1e-7using namespace Std;int m,n;namespace linear_programming{double A[10100][ 1010],b[10100],c[1010],v;void Pivot (int l,int e) {int i,j;b[l]/=a[l][e];for (i=1;i<=n;i++) if (i!=e) a[l][i]/=a[l][e ]; A[l][e]=1/a[l][e];for (i=1;i<=m;i++) if (I!=l&&fabs (A[i][e]) >eps) {b[i]-=a[i][e]*b[l];for (j=1;j<= n;j++) if (j!=e) a[i][j]-=a[i][e]*a[l][j]; A[i][e]=-a[i][e]*a[l][e];} V+=c[e]*b[l];for (i=1;i<=n;i++) if (i!=e) c[i]-=c[e]*a[l][i];c[e]=-c[e]*a[l][e];} Double Simplex () {int I,l,e;while (1) {for (i=1;i<=n;i++) if (c[i]>eps) break;if ((e=i) ==n+1) return v;double temp= Inf;for (i=1;i<=m;i++) if (a[i][e]>eps && b[i]/a[i][e]<temp) temp=b[i]/a[i][e],l=i;if (Temp==INF) return INF; Pivot (l,e);}}} int main () {using namespace Linear_programming;int i,j,k,x,y;cin>>n>>m;for (i=1;i<=n;i++) scanf ("%lf", &c[i]); for (i=1;i<=m;i++) {scanf ("%d", &k); for (j=1;j<=k;j++) {scanf ("%d%d ", &x,&y); for (; x<=y;x++) a[i][x]+=1.0;} scanf ("%lf", &b[i]);} Double Ans=simplex ();p rintf ("%d\n", int (ans+0.5)); return 0;}
Bzoj 3265 Volunteers recruit Enhanced single