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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#267032 | #2815. 组合数据结构问题 | zjj2021 | AC ✓ | 27ms | 3504kb | C++20 | 2.1kb | 2023-11-26 21:32:11 | 2023-11-26 21:32:12 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<=n;i++)
#define per(i,a,n) for (int i=n;i>=a;i--)
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
typedef long long ll;
typedef double db;
typedef pair<int, int> PII;
mt19937 mrand(random_device{}());
const ll mod=1000000007;
const int INF = 0x3f3f3f3f;
const double eps = 1e-6;
int lowbit(int x){return x&-x;}
int rnd(int x) {return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) {return b?gcd(b,a%b):a;}
inline ll rd(){ll x=0;char ch;bool f=true;for(ch=getchar();!isdigit(ch);ch=getchar())if(ch=='-')f^=f;for(;isdigit(ch);ch=getchar())x=(x<<3)+(x<<1)+(ch^48);return f?x:-x;}
inline void wr(ll x){if(x<0)putchar('-'),x=-x;if(x>9)wr(x/10);putchar(x%10+48);}
inline void wr(char *s){printf("%s",s);}
// head
const int N = 100010;
void solve() {
int n;
cin >> n;
queue<int> q;
stack<int> stk;
priority_queue<int> big;
priority_queue<int, vector<int>, greater<>> small;
vector<int> res{1, 1, 1, 1};
for (int i = 1; i <= n; i ++ ) {
int o, x;
cin >> o >> x;
if (o == 1) {
q.push(x);
stk.push(x);
big.push(x);
small.push(x);
} else {
if (q.size()) {
int a = q.front();
if (a != x) res[0] = 0;
q.pop();
} else res[0] = 0;
if (stk.size()) {
int b = stk.top();
if (b != x) res[1] = 0;
stk.pop();
} else res[1] = 0;
if (big.size()) {
int c = big.top();
if (c != x) res[2] = 0;
big.pop();
} else res[2] = 0;
if (small.size()) {
int d = small.top();
if (d != x) res[3] = 0;
small.pop();
} else res[3] = 0;
}
}
if (res[0]) cout << "Yes\n";
else cout << "No\n";
if (res[1]) cout << "Yes\n";
else cout << "No\n";
if (res[2]) cout << "Yes\n";
else cout << "No\n";
if (res[3]) cout << "Yes\n";
else cout << "No\n";
}
int main() {
int T = 1;
//T = rd();
while (T -- ) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3412kb
input:
6 1 1 1 2 1 3 2 1 2 2 2 3
output:
Yes No No Yes
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 22ms
memory: 3388kb
input:
100000 1 49 1 59 2 49 1 98 2 59 2 98 1 95 1 34 1 64 2 95 1 18 1 44 1 7 1 78 2 34 2 64 2 18 1 37 2 44 1 89 2 7 1 2 1 21 2 78 2 37 1 90 1 75 1 50 1 33 1 70 1 32 2 89 2 2 1 49 2 21 1 46 2 90 1 3 2 75 1 50 1 37 1 24 1 88 1 78 2 50 1 22 1 73 1 95 1 100 2 33 1 28 1 62 1 25 2 70 1 90 2 32 1 31 2 49 2 46 2 ...
output:
Yes No No No
result:
ok 4 lines
Test #3:
score: 0
Accepted
time: 23ms
memory: 3500kb
input:
100000 1 78 1 47 1 9 2 9 2 47 2 78 1 67 1 58 1 6 2 6 1 60 1 5 2 5 2 60 1 100 2 100 1 76 1 28 1 81 1 40 1 5 2 5 2 40 1 39 1 13 1 82 2 82 2 13 1 19 2 19 2 39 1 47 1 25 2 25 2 47 2 81 2 28 2 76 2 58 2 67 1 13 2 13 1 39 2 39 1 72 2 72 1 88 1 84 2 84 2 88 1 100 2 100 1 2 2 2 1 91 1 20 2 20 1 25 1 37 2 37...
output:
No Yes No No
result:
ok 4 lines
Test #4:
score: 0
Accepted
time: 22ms
memory: 3452kb
input:
100000 1 99 1 79 2 79 1 90 2 90 2 99 1 43 1 40 1 61 2 40 2 43 2 61 1 98 1 70 1 65 2 65 2 70 2 98 1 64 2 64 1 64 1 12 1 57 1 54 1 69 1 19 1 67 1 99 1 42 1 25 1 88 2 12 2 19 1 50 1 45 1 60 1 55 1 14 1 49 1 55 2 14 1 87 2 25 1 14 2 14 1 37 1 20 2 20 2 37 2 42 2 45 2 49 1 82 1 39 1 80 1 76 1 7 2 7 1 19 ...
output:
No No No Yes
result:
ok 4 lines
Test #5:
score: 0
Accepted
time: 22ms
memory: 3392kb
input:
100000 1 83 2 83 1 84 1 49 1 12 1 29 2 84 2 49 1 3 2 29 2 12 2 3 1 24 1 46 1 13 2 46 2 24 2 13 1 66 1 92 2 92 2 66 1 37 1 50 1 16 1 90 2 90 1 92 2 92 1 38 2 50 1 24 1 85 1 13 2 85 2 38 1 53 1 46 1 7 1 43 1 16 1 28 2 53 1 56 1 59 2 59 2 56 2 46 2 43 1 31 1 64 1 3 2 64 1 46 2 46 2 37 2 31 1 71 2 71 1 ...
output:
No No Yes No
result:
ok 4 lines
Test #6:
score: 0
Accepted
time: 27ms
memory: 3468kb
input:
100000 1 -2147483648 2 -2147483648 1 -2147483648 1 1 1 1 2 -2147483648 2 1 1 -2147483648 2 -2147483648 1 -1 1 1 2 -1 1 1 1 -2147483648 2 -2147483648 1 1 1 -2147483648 2 -2147483648 2 1 2 1 1 -1 2 -1 1 -1 2 -1 2 1 2 1 1 -2147483648 2 -2147483648 1 1 2 1 1 -1 2 -1 1 1 2 1 1 1 2 1 1 -2147483648 2 -2147...
output:
No No No Yes
result:
ok 4 lines
Test #7:
score: 0
Accepted
time: 18ms
memory: 3504kb
input:
100000 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 1 1 2 1 2 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 1 1 1 1 2 1 2 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 1 1 1 1 2 1 1 1 1 1 2...
output:
No No No No
result:
ok 4 lines