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归类了 OJ,整理了一下
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38
XSM OJ 重庆小码王集团OJ/小码君的数学算式.cpp
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38
XSM OJ 重庆小码王集团OJ/小码君的数学算式.cpp
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#include <algorithm>
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#include <iostream>
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#include <iomanip>
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#include <cstring>
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#include <cstdio>
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#include <stack>
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#include <ctime>
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#include <cmath>
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typedef long long l;
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typedef double d;
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typedef char c;
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using namespace std;
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int main(){
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c a[100000];
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l cnt1=0;
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cin >>a;
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for(int i=0;i<strlen(a);i++){
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if(a[i]=='('){
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cnt1++;
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}
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if(a[i]==')'){
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cnt1--;
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}
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if(cnt1<0){
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cout<<"NO"<<endl;
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return 0;
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}
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}
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if(cnt1==0){
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cout<<"YES"<<endl;
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return 0;
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}
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else{
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cout<<"NO"<<endl;
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return 0;
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}
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return 0;
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}
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