标签:des blog io ar os sp java for strong
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 46556 Accepted Submission(s): 19755
#include<iostream> #include<cstdio> #include<cstring> #include<string> #include<cstdlib> #include<cmath> #include<algorithm> #include<queue> #include<vector> #include<vector> using namespace std; #define N 55555 #define lson l,m,rt<<1 #define rson m+1,r,rt<<1|1 #include <cstdio> #define lson l , m , rt << 1 #define rson m + 1 , r , rt << 1 | 1 const int maxn = 55555; int sum[maxn<<2]; void PushUP(int rt) { sum[rt] = sum[rt<<1] + sum[rt<<1|1]; } void build(int l,int r,int rt) { if (l == r) { scanf("%d",&sum[rt]); return ; } int m = (l + r) >> 1; build(lson); build(rson); PushUP(rt); } void update(int p,int add,int l,int r,int rt) { if (l == r) { sum[rt] += add; return ; } int m = (l + r) >> 1; if (p <= m) update(p , add , lson); else update(p , add , rson); PushUP(rt); } int query(int L,int R,int l,int r,int rt) { if (L <= l && r <= R) { return sum[rt]; } int m = (l + r) >> 1; int ret = 0; if (L <= m) ret += query(L , R , lson); if (R > m) ret += query(L , R , rson); return ret; } int main() { int T , n; scanf("%d",&T); for (int cas = 1 ; cas <= T ; cas ++) { printf("Case %d:\n",cas); scanf("%d",&n); build(1 , n , 1); char op[10]; while (scanf("%s",op)) { if (op[0] == ‘E‘) break; int a , b; scanf("%d%d",&a,&b); if (op[0] == ‘Q‘) printf("%d\n",query(a , b , 1 , n , 1)); else if (op[0] == ‘S‘) update(a , -b , 1 , n , 1); else update(a , b , 1 , n , 1); } } return 0; }
标签:des blog io ar os sp java for strong
原文地址:http://www.cnblogs.com/a972290869/p/4101141.html