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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#865272 | #9774. Same Sum | xieliren | WA | 207ms | 63264kb | C++14 | 3.3kb | 2025-01-21 16:24:19 | 2025-01-21 16:24:20 |
Judging History
answer
#include<bits/stdc++.h>
#define left rt * 2
#define right rt * 2 + 1
#define int long long
using namespace std;
int read(){
int s = 0, f = 1;char ch = getchar();
while(!isdigit(ch)){if(ch == '-')f = -1;ch = getchar();}
while(isdigit(ch)){s = s * 10 + ch - '0';ch = getchar();}
return s * f;
}
void write(int x){
if(x < 0){putchar('-'); x = -x;}
if(x > 9) write(x / 10);
putchar(x % 10 + '0');
}
const int MAXN = 2e5 + 5, MR = 8e5 + 5, MOD = 911451407, E = 1907, INF = 1e18;
int n, q, a[MAXN], pw[MAXN], pw2[MAXN];
int fpow(int a, int b){
int res = 1;
while(b){if(b & 1ll)res = res * a % MOD;a = a * a % MOD;b >>= 1ll;}
return res;
}
struct node{
int a, b, c, d;
};
struct Segment_tree{
int lf[MR], rf[MR], num[MR], num2[MR], lazy[MR], lazy2[MR], lazy3[MR], maxx[MR], minn[MR];
void push_up(int rt){
num[rt] = (num[left] + num[right]) % MOD;
num2[rt] = (num2[left] + num2[right]) % MOD;
minn[rt] = min(minn[left], minn[right]);
maxx[rt] = max(maxx[left], maxx[right]);
}
void build(int rt, int l, int r){
lf[rt] = l, rf[rt] = r, lazy2[rt] = lazy3[rt] = 1;
if(l == r){
minn[rt] = maxx[rt] = a[l];
num[rt] = pw[a[l]];
num2[rt] = pw2[a[l]];
return ;
}
int mid = l + r >> 1ll;
build(left, l, mid);
build(right, mid + 1, r);
push_up(rt);
}
void push_down(int rt){
if(!lazy[rt])return ;
int k = lazy[rt];
minn[left] += k, minn[right] += k;
maxx[left] += k, maxx[right] += k;
num[left] = num[left] * lazy2[rt] % MOD;
num[right] = num[right] * lazy2[rt] % MOD;
num2[left] = num2[left] * lazy3[rt] % MOD;
num2[right] = num2[right] * lazy3[rt] % MOD;
lazy[left] += k, lazy[right] += k;
lazy2[left] = lazy2[rt] * lazy2[left] % MOD;
lazy2[right] = lazy2[rt] * lazy2[right] % MOD;
lazy3[left] = lazy3[rt] * lazy3[left] % MOD;
lazy3[right] = lazy3[rt] * lazy3[right] % MOD;
lazy[rt] = 0, lazy2[rt] = lazy3[rt] = 1;
}
void add_list(int rt, int l, int r, int x){
if(lf[rt] > r || rf[rt] < l)return ;
if(l <= lf[rt] && rf[rt] <= r){
num[rt] = num[rt] * pw[x] % MOD;
num2[rt] = num2[rt] * pw2[x] % MOD;
minn[rt] += x, maxx[rt] += x, lazy[rt] += x;
lazy2[rt] = lazy2[rt] * pw[x] % MOD;
lazy3[rt] = lazy3[rt] * pw2[x] % MOD;
return ;
}
push_down(rt);
add_list(left, l, r, x);
add_list(right, l, r, x);
push_up(rt);
}
node query(int rt, int l, int r){
if(lf[rt] > r || rf[rt] < l)return {0, 0, INF, -INF};
if(l <= lf[rt] && rf[rt] <= r)
return {num[rt], num2[rt], minn[rt], maxx[rt]};
push_down(rt);
node lp = query(left, l, r), rp = query(right, l, r);
node res = {0, 0, INF, -INF};
res.a = (lp.a + rp.a) % MOD, res.b = (lp.b + rp.b) % MOD;
res.c = min(lp.c, rp.c), res.d = max(lp.d, rp.d);
return res;
}
}tr;
signed main(){
n = read(), q = read();
pw[1] = E, pw2[1] = fpow(E, MOD - 2);
for(int i = 2;i < MAXN;i ++)
pw[i] = pw[i - 1] * pw[1] % MOD, pw2[i] = pw2[i - 1] * pw2[1] % MOD;
for(int i = 1;i <= n;i ++)a[i] = read();
tr.build(1, 1, n);
while(q --){
int opt = read(), l = read(), r = read();
if(opt == 1){
int x = read();
tr.add_list(1, l, r, x);
}
else{
node tmp = tr.query(1, l, r);
int h = fpow(E, (tmp.c + tmp.d) % MOD) * tmp.b % MOD;
if(h == tmp.a)puts("YES");
else puts("NO");
}
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 24140kb
input:
8 4 1 2 3 4 5 6 7 8 2 1 8 1 1 4 4 2 1 6 2 1 8
output:
YES NO YES
result:
ok 3 token(s): yes count is 2, no count is 1
Test #2:
score: -100
Wrong Answer
time: 207ms
memory: 63264kb
input:
200000 200000 0 0 0 1 1 0 2 1 1 2 0 1 0 0 0 2 1 0 1 2 2 1 2 1 2 0 0 2 1 2 1 0 0 2 0 2 1 1 1 2 0 0 0 0 2 0 1 0 0 2 2 1 1 0 0 2 1 0 2 0 2 1 2 1 0 1 2 1 0 1 2 1 2 1 0 1 2 0 1 0 1 1 0 2 1 2 0 2 2 1 1 2 1 2 2 0 0 1 2 0 0 2 2 0 1 2 2 0 0 1 2 1 2 0 2 0 0 2 0 2 1 0 1 1 1 1 2 1 2 0 1 2 1 0 2 1 0 1 1 2 2 0 1 ...
output:
YES NO NO NO NO NO NO NO NO NO YES NO NO NO NO NO NO NO NO NO NO NO YES NO YES YES YES YES YES NO NO YES YES NO NO YES NO YES YES NO YES NO YES NO YES NO YES YES YES YES YES NO YES YES NO YES YES YES NO NO YES NO YES YES YES NO YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES NO YES YES NO...
result:
wrong answer expected NO, found YES [1st token]