hdu 1050 重叠 rom

Moving Tables

#include<stdio.h>   #include<string.h>#define N 210int room[N];void swap(int &a,int &b){    int c;    c = a;    a = b;    b = c;}int main(){    int i,j,n,t,a,b;    scanf("%d",&t);    while(t--){        scanf("%d",&n);     memset(room, 0, sizeof(room));int min = 0;        for(i=0;i<n;i++){            scanf("%d%d",&a,&b);            a = (a -1)/2;            b = (b -1)/2;            if(a>b)            {                swap(a,b);            }                        for(j = a;j<=b;j++){                room[j]++;                if(room[j]>min)                    min = room[j];            }        }printf("%d\n",min*10);    }return 0;}