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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
#271788#6750. Calculatemobbb#AC ✓16ms3520kbC++171.1kb2023-12-02 14:34:182023-12-02 14:34:18

Judging History

你现在查看的是最新测评结果

  • [2023-12-02 14:34:18]
  • 评测
  • 测评结果:AC
  • 用时:16ms
  • 内存:3520kb
  • [2023-12-02 14:34:18]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define ll long long

string s;

int calc(int l,int r){
	for (int i = r,j  = 0;i >= l;i--){
		if (s[i] == '(') j++;
		if (s[i] == ')') j--;
		if (j == 0 && s[i] == '+') return calc(l,i - 1) + calc(i + 1,r);
		if (j == 0 && s[i] == '-') return calc(l,i - 1) - calc(i + 1,r);
	}
	if (s[l] == '(' && s[r] == ')') return calc(l + 1,r - 1);
	int ans = 0;
	for (int i = l;i <= r;i++) ans = ans * 10 + s[i] - '0';
	return ans;
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	//string s;
	cin >> s;
	auto n = s.size();

	vector<int> q;
	
	for (int i = 0;i < n;i++){
		if (s[i] == '?') q.push_back(i);
	}
	//cout << q.size() << endl;
	int res = -1e9;
	for (int i = 0;i <= 9;i++){
		for (int j = 0;j <= 9;j++){
			if (q.size() == 0){
				res = max(res,calc(0,n - 1));
			}else if (q.size() == 1){	
				s[q[0]] = '0' + i;
				res = max(res,calc(0,n - 1));
			}else if (q.size() == 2){
				s[q[0]] = '0' + i;
				s[q[1]] = '0' + j;
				res = max(res,calc(0,n - 1));
				//cout << s[i] << endl;
			}
		}
	}

	cout << res << endl;

	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3460kb

input:

?+?

output:

18

result:

ok 1 number(s): "18"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

(?+9)-(?+1)

output:

17

result:

ok 1 number(s): "17"

Test #3:

score: 0
Accepted
time: 15ms
memory: 3488kb

input:

((9)-(((8)-(2))+(((1+(1))-(1+((2)+2+2)))+(5)+4))+(((7)-((9)+3))-((8)-(0-(2))+0))+((6)-(6+(((4)-(9))-(8-((9)+(1))+(0)))+(2-((9)+7))-(1)))-((((7)+(1))-((3)+(3)))-((2)-((6)-((3)-(8)))))+(2+0-((6)-(1))))-((((3)-(((0)+((4)-(9))+((6+8)+4)+(5)-(4-(3)-(8)))-((8)-(2))))+(((2)-(4))+(6)-(2))+(6-(1))-((2+9)-(3+...

output:

-63

result:

ok 1 number(s): "-63"

Test #4:

score: 0
Accepted
time: 13ms
memory: 3520kb

input:

(((((4)-((5)+(1))-(6-(8-(1))+((0)+(9))))+((2-(2))+(3+3-(((7)-(6))-(3))+(((3)+((5)-((0)-(6-(0)))))+((0)+((0)-(7)))+1-((3)-((8)-(8)))))))-(((((5-(3)-((((8)+0)+(9)-((7)-(9)))-(7)))+(2))+8+((4)-(6)+((5)-((7)+(2))))-(8-((7)+(3)+(9))))-(((9-(9-(8)))+1-((((4)+(9))+(8))+(2+(7)+3)))+((((6)+(2))-(1)-((((6+7-(...

output:

356

result:

ok 1 number(s): "356"

Test #5:

score: 0
Accepted
time: 15ms
memory: 3404kb

input:

((((((0+(5))+6)-((4)+(((7)+2)+6)-((((7)-(9))-(1))-((8-(2))+(5))-(2-((5)-(8))))-(3)))+((8)-(6)+3))+(7-(((4)+(6))+(((6)-(4))-(5))-(5-(4))-(5)+(2-(2)))+(6+(3+(2)+(7)+3)))+(((3)+(4)+(7)-(6-(5)))-((9+(8))+((1)-(0)))+((((8)+1)-(4))+(4))+(((4)-(4))+9+(((8)+3)-(6)+5)))-(((((5)+(9))-((3)-(0)))+((((0)+3)-(2))...

output:

-185

result:

ok 1 number(s): "-185"

Test #6:

score: 0
Accepted
time: 14ms
memory: 3460kb

input:

((((1-(4-(9)+((5)+(5)))+(((6)-(6)+((2)-(6)))-((7)+6)-(3)))-(2-((((7)+(8+(6)))-(5)+(7-((2)-(8)))+(4)-(((8)-(1))+(1)))-((3-(5)+(2-(1)))+2+(5)-(4))-(7)))+(9-(9+5)-(7)-((6)-(4)))+(((1+6)+(6+0-(9))+(((9+((2)+((1)-(5)))-(1))-(1))-(3+8-(2))))-((4)+((7)-(7))-(((2)-(6))+3)-((2-(3))+(4)-((0)-(1+(7)))+((0)+2))...

output:

-20

result:

ok 1 number(s): "-20"

Test #7:

score: 0
Accepted
time: 12ms
memory: 3472kb

input:

(((0-(((6)+(2))+4-(4)-(2))-((8)+4+(2))+2+(1+(9))+((2+(3))+(((8-(6))-(9))+(6)-((4)+0))-((7)-(3)-((3)+((3)+6-(2)))-(4))))-(((6)-((5)-(5-((9)+1-(6)))))+8)+(((8+(5)-(1))-(5))+(7-(0)-(0))+(((3)+(2)+(6)+0+(7)+(7)+(0+0-((1)+3)))-(((5+(8))-(9))-(8-((4)+9+(2)-(6-(6)-(4+5)))))+(2)-((((2)+1)+(0)+(3))+2))))-(((...

output:

200

result:

ok 1 number(s): "200"

Test #8:

score: 0
Accepted
time: 16ms
memory: 3444kb

input:

(8)+((7)+4)+(3)-(((3-(0)+(3+4)+(6-(6)+(7-((8+(8))-(7)+((5)-(6+2)))))-((8+(4))+((0)-((4)-(6)+(4)+((7+9)+(5+4-(5))))-(8))))-((5)+((2)-(6))+(5)))+(8+(((3)-(8))-(7)+(7-(0+(4-(1))-((7)+(0)+((7)-(1)))))))+(7-(5))+((((((2-(((3)+1)+(((2)+(5))+4)))+(((5)+4-(6))+(((2)+(2))-(4)-(4-(9))+((0)+(1))))+9-(8)+((6)+(...

output:

-24

result:

ok 1 number(s): "-24"

Test #9:

score: 0
Accepted
time: 16ms
memory: 3416kb

input:

(((9-(4-(9-(1)))+((8)-(1))+(5-(3+2)))+(((((((1)+0)+9)-(8))+(6-(4)-(0)))-(2+((((6)-(6)-(8))-((5)-(6)))-((7)+(1)))))+(((1-(8)+(9-((7)-(1)))+(0)-((4)-(0)))+1+(9)-((((6)-(1))-(7))-(6+3+8))-((1)+(1)-(9-(9))+8-(((9)-(5))+3-(9))+(3-((8)-(3))))+(3)-(0)-(2-(2-(8)))-(5+7)+(4)+(5)+(8+((6)-(2))+(3-(8))))-((0)-(...

output:

-69

result:

ok 1 number(s): "-69"

Test #10:

score: 0
Accepted
time: 12ms
memory: 3444kb

input:

((((((2+(((9)+(9))-(5)))+(0))+((2)-(5+8)-((((3)+(4))+9+((5-(((6)+(9))-(6)))-((8)+0)+(6)))+((4-(7))+(4)+(5-(1))+(4)-(4)+4))))-(((9)+((2)-(9))-(1)-(0-(3)+1))+(5)-((6-((9)+8))-(6-(4)))-(6))-(((((7)+8)-((3)+(0)-(1)-(((2)-(1))-(5))))+((2+(0))-((8)-((4)-(6))-((5)-(2))+(7))))-((8)-(9)-((8+(0-(0-(4)))+5)+(5...

output:

40

result:

ok 1 number(s): "40"

Test #11:

score: 0
Accepted
time: 14ms
memory: 3396kb

input:

(((((((0)-(0))-((((5)-((0)-(0)))+(((1)-(7+6))-((5)+0)))+3+7))-((4+4)-(6)-(9-(3+(1)))))-((((0)-(9)-(2))-((1-(2))-(5-(?))-((6)+(0)-(0))-(8+(9-(2)))))+(((7+4+(0)-((9)+8+(0+3+0)))-(2-(8+0)))-(0))))+(((((9)-(9))+((3+3+4)+(1)+(6)+((1)-(5))))-(3)-((6)+(5)))+(5)+4+1)+(((((((1)-(7))-((9)+(2)+1-(9+(4))))+(((4...

output:

-143

result:

ok 1 number(s): "-143"

Test #12:

score: 0
Accepted
time: 14ms
memory: 3520kb

input:

((((((8+(6))+(3)-(1)+((4-(8))+4)+(((9)-((0-(3))+(1))-(4))-((2-(6))-(((9-(3))+(1)-((7)-((1)+((2)-(2)))))+(2+(6-(8)))))+(2+(0)))+(5+9+((2+4-(0))-(((5)+(1+3)-(((7-(1))-(2))-(1)))-(9+((2)-(3)))))+(((7)-((5)+1+9-(1)))-((4)-(5-(0+5)-((8)-((5)+(0))-((8)+(0)-(4)-(0)))))))-(((3)+(0)+3)-(8-(0)+4)))+((1-(2)+((...

output:

52

result:

ok 1 number(s): "52"