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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#573927 | #9313. Make Max | jiangdong | WA | 27ms | 4484kb | C++14 | 2.0kb | 2024-09-18 20:19:58 | 2024-09-18 20:19:59 |
Judging History
answer
//单调栈
#include<bits/stdc++.h>
using namespace std;
const int md=2e5+5;
int n,t,cnt,k,flag;
stack<int>sz,num;
void solve(){
cin>>t;
while(t--){
cnt=0;
while(sz.size())sz.pop();
while(num.size())num.pop();
cin>>n>>k;
sz.push(1),num.push(k);
for(int i=1;i<n;i++){
flag=0;
cin>>k;
if(k==num.top())sz.top()++;
else if(k<num.top())num.push(k),sz.push(1);
else{
while(num.size()>1){
int kk=num.top();num.pop();
int op=sz.top();sz.pop();
if(num.top()==k){//与当前栈顶相同,则把先前小于它的数同化。同时更新总次数与栈顶元素个数
cnt+=op;
sz.top()+=op+1;
flag=1;
break;
}else if(num.top()>k){//小于栈顶元素,推入栈顶,将先前小于它的数同化,更新栈顶元素个数与总次数
num.push(k);
cnt+=op;
sz.push(op+1);
flag=1;
break;
}else{//大于当前栈顶元素 则将推出的上一个栈顶元素与现栈顶元素同化,并更新总次数与栈顶元素个数
sz.top()+=op;
cnt+=op;
}
}if(flag==1)continue;//k已被同化或推入栈内
num.top()=k;
cnt+=sz.top();
sz.top()+=1;
}
}while(num.size()>1){//形成单调栈 总次数与栈顶元素个数随之更新即可
int pp=sz.top();
sz.pop(),num.pop();
cnt+=pp;
sz.top()+=pp;
}cout<<cnt<<'\n';
}
}
signed main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3588kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 3 3
result:
ok 4 number(s): "1 0 3 3"
Test #2:
score: 0
Accepted
time: 27ms
memory: 3576kb
input:
2 198018 875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...
output:
4084978 4130372
result:
ok 2 number(s): "4084978 4130372"
Test #3:
score: 0
Accepted
time: 20ms
memory: 3532kb
input:
2 195768 3086 1582 7854 5577 5243 2734 8054 4805 5686 7065 5555 2410 6240 7589 2889 3745 8094 9147 9438 1252 5497 5786 6655 4437 3933 2579 5722 9512 3117 1742 5362 2068 1853 4069 9231 1126 3991 420 2571 5517 3063 7279 8085 6111 5503 5980 50 6003 244 9684 6343 6517 1598 5223 5520 982 3932 1093 1149 7...
output:
3061429 2997931
result:
ok 2 number(s): "3061429 2997931"
Test #4:
score: -100
Wrong Answer
time: 15ms
memory: 4484kb
input:
2 200000 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99...
output:
1410065408 1409965411
result:
wrong answer 1st numbers differ - expected: '10000000000', found: '1410065408'