标签:hdu1556
3 1 1 2 2 3 3 3 1 1 1 2 1 3 0
1 1 1 3 2 1
| 10951071 | 2014-07-06 16:14:52 | Time Limit Exceeded | 1556 | 3000MS | 584K | 400 B | G++ | 长木 |
#include <stdio.h>
#include <string.h>
#define maxn 100000 + 2
int arr[maxn];
int main()
{
int n, a, b;
while(scanf("%d", &n), n){
memset(arr, 0, sizeof(arr));
for(int i = 0; i < n; ++i){
scanf("%d%d", &a, &b);
while(a <= b) ++arr[a++];
}
for(int i = 1; i <= n; ++i)
if(i == n) printf("%d\n", arr[i]);
else printf("%d ", arr[i]);
}
return 0;
}#include <stdio.h>
#include <string.h>
#define maxn 100002
#define lson l, mid, rt << 1
#define rson mid + 1, r, rt << 1 | 1
int tree[maxn << 2], n;
void pushDown(int rt)
{
tree[rt << 1] += tree[rt];
tree[rt << 1 | 1] += tree[rt];
tree[rt] = 0;
}
void update(int left, int right, int l, int r, int rt)
{
if(left == l && right == r){
++tree[rt]; return;
}
int mid = (l + r) >> 1;
if(right <= mid) update(left, right, lson);
else if(left > mid) update(left, right, rson);
else{
update(left, mid, lson);
update(mid + 1, right, rson);
}
}
void query(int l, int r, int rt)
{
if(l == r){
if(l != n) printf("%d ", tree[rt]);
else printf("%d\n", tree[rt]);
return;
}
if(tree[rt]) pushDown(rt);
int mid = (l + r) >> 1;
query(lson);
query(rson);
}
int main()
{
int a, b, i;
while(scanf("%d", &n), n){
memset(tree, 0, sizeof(tree));
for(i = 0; i < n; ++i){
scanf("%d%d", &a, &b);
update(a, b, 1, n, 1);
}
query(1, n, 1);
}
return 0;
}#include <stdio.h>
#include <string.h>
#define maxn 100002
int tree[maxn], n;
int lowBit(int x){ return x & (-x); }
void update(int pos, int val)
{
while(pos > 0){
tree[pos] += val;
pos -= lowBit(pos);
}
}
int getSum(int pos)
{
int sum = 0;
while(pos <= n){
sum += tree[pos];
pos += lowBit(pos);
}
return sum;
}
int main()
{
int a, b, i;
while(scanf("%d", &n), n){
memset(tree, 0, sizeof(tree));
for(i = 0; i < n; ++i){
scanf("%d%d", &a, &b);
update(a - 1, -1);
update(b, 1);
}
for(i = 1; i <= n; ++i)
if(i != n) printf("%d ", getSum(i));
else printf("%d\n", getSum(i));
}
return 0;
}
#include <stdio.h>
#include <string.h>
#define maxn 100000 + 2
int arr[maxn];
int main()
{
int n, a, b;
while(scanf("%d", &n), n){
memset(arr, 0, sizeof(arr));
for(int i = 0; i < n; ++i){
scanf("%d%d", &a, &b);
++arr[a]; --arr[b + 1];
}
for(int i = 1, ans = 0; i <= n; ++i){
ans += arr[i];
if(i != n) printf("%d ", ans);
else printf("%d\n", ans);
}
}
return 0;
}HDOJ1556 Color the ball 【线段树】+【树状数组】+【标记法】,布布扣,bubuko.com
HDOJ1556 Color the ball 【线段树】+【树状数组】+【标记法】
标签:hdu1556
原文地址:http://blog.csdn.net/chang_mu/article/details/37342431