比赛 |
区间问题练习 |
评测结果 |
AAAAAAAAAA |
题目名称 |
最大数 |
最终得分 |
100 |
用户昵称 |
kZime |
运行时间 |
0.407 s |
代码语言 |
C++ |
内存使用 |
6.42 MiB |
提交时间 |
2017-04-21 19:47:05 |
显示代码纯文本
#include <bits/stdc++.h>
#define MAXN 200023
#define ll long long
using namespace std;
int cnt, m;
ll d, tmp;
inline ll get_num() {
ll k = 0, f = 1;
char c = getchar();
for(; !isdigit(c); c = getchar()) if(c == '-') f = -1;
for(; isdigit(c); c = getchar()) k = k * 10 + c - '0';
return k * f;
}
struct segtree {
ll mx[MAXN << 2];
segtree() {
memset(mx, 0, sizeof(mx));
}
void change(int x, int l, int r, int k, ll tmp) {//第k个位置的数值为tmp
int mid = (l + r) >> 1;
if(l == r) {
mx[x] = tmp;
return;
}
else if(k > mid) change(x << 1 | 1, mid + 1, r, k, tmp);
else if(k <= mid) change(x << 1, l, mid, k, tmp);
mx[x] = max(mx[x << 1], mx[x << 1 | 1]);
}
ll find(int x, int l, int r, int s, int t) {
int mid = (l + r) >> 1;
if(l == s && t == r) return mx[x];
else if(t <= mid) return find(x << 1, l, mid, s, t);
else if(s > mid) return find(x << 1 | 1, mid + 1, r, s, t);
else {
return max(find(x << 1, l, mid, s, mid), find(x << 1 | 1, mid + 1, r, mid + 1, t));
}
}
}T;
int main() {
freopen("bzoj_1012.in", "r", stdin);
freopen("bzoj_1012.out", "w", stdout);
m = get_num();
d = get_num();
while(m--) {
char type = getchar();
for(; !isalpha(type); type = getchar());
if(type == 'Q') {
int l = get_num();
tmp = T.find(1, 1, MAXN, cnt - l + 1, cnt);
printf("%lld\n", tmp);
}else {
ll n = get_num();
n += tmp;
n %= d;
T.change(1, 1, MAXN, ++cnt, n);
}
}
}