题意:在1到n的气球中,在不同的区域中涂颜色,问每个气球涂几次. #include<cstdio>int num[100010];int main(){ int n, x, y;; while (scanf("%d", &n), n) {  for (int i = 0; i < n; i++)  {   scanf("%d%d", &x, &y);   num[x] += 1; num[y + 1] -= 1;  }  f…

思路:线段树,区间更新 #include<iostream> #include<vector> #include<string> #include<cmath> #include<set> #include<algorithm> #include<cstdio> #include<map> #include<cstring> #include<list> #define MAXSIZE…

思路等引自博客 https://blog.csdn.net/johnwayne0317/article/details/84928568 对数组a[7]: a[0]=1; = d[0] a[1]=1; = d[1]+d[0] a[2]=1; = d[2]+d[1]+d[0] a[3]=1; .................. a[4]=1; a[5]=1; a[6]=1; a[7]=1; =   d[7]+d[6]+d[5]+d[4]+d[3]+d[2]+d[1]+d[0] 如果要对a[0]~…

Color the ball HDU - 1556 N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球a开始到气球b依次给每个气球涂一次颜色.但是N次以后lele已经忘记了第I个气球已经涂过几次颜色了,你能帮他算出每个气球被涂过几次颜色吗? Input 每个测试实例第一行为一个整数N,(N <= 100000).接下来的N行,每行包括2个整数a b(1 <= a <= b <…

Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 13072    Accepted Submission(s): 6537 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气…

Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8984    Accepted Submission(s): 4594 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球…

Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7941    Accepted Submission(s): 4070 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球…

HDU.1556 Color the ball (线段树 区间更新 单点查询) 题意分析 注意一下pushdown 和 pushup 模板类的题还真不能自己套啊,手写一遍才行 代码总览 #include <bits/stdc++.h> #define nmax 200000 using namespace std; struct Tree{ int l,r,val; int lazy; int mid(){ return (l+r)>>1; } }; Tree tree[nmax&…

Color the ball 我真的该认真的复习一下以前没懂的知识了,今天看了一下线段树,以前只会用模板,现在看懂了之后,发现还有这么多巧妙的地方,好厉害啊 所以就应该尽量搞懂 弄明白每个知识点 [题目链接]Color the ball [题目类型]线段树区间更新 &题意: N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的"小飞鸽"牌电动车从气球a开始到气球b依次给每个气球涂一次颜色.但是N次以后lel…

Color the ball Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5397    Accepted Submission(s): 2882 Problem Description N个气球排成一排,从左到右依次编号为1,2,3....N.每次给定2个整数a b(a <= b),lele便为骑上他的“小飞鸽"牌电动车从气球…