PAT 乙级 1018

大型的手动一个一个模拟。

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; char jia, yi; map<char, int> a1 = {{'B', 0}, {'C', 0}, {'J', 0}}; map<char, int> a2 = {{'B', 0}, {'C', 0}, {'J', 0}}; int sheng = 0, ping = 0; for(int i = 0; i < n; i ++) { cin >> jia >> yi; if(jia == 'B') { if(yi == 'C') {sheng ++; a1['B'] ++;} else if(yi == 'J') a2['J'] ++; else if(yi == 'B') ping ++; } else if(jia == 'C') { if(yi == 'C') ping ++; else if(yi == 'J') {sheng ++; a1['C'] ++;} else if(yi == 'B') a2['B'] ++; } else if(jia == 'J') { if(yi == 'C') a2['C']++; else if(yi == 'J') ping ++; else if(yi == 'B') {sheng ++; a1['J'] ++;} } } cout << sheng << " "<< ping << " " << n - sheng - ping << endl; cout << n - sheng - ping << " "<< ping << " " << sheng << endl; int max1 = -1; max1 = max(a1['B'], max1); max1 = max(a1['C'], max1); max1 = max(a1['J'], max1); if(a1['B'] == max1) cout << "B" << " "; else if(a1['C'] == max1) cout << "C" << " "; else if(a1['J'] == max1) cout << "J" << " "; int max2 = -1; max2 = max(a2['B'], max2); max2 = max(a2['C'], max2); max2 = max(a2['J'], max2); if(a2['B'] == max2) cout << "B"; else if(a2['C'] == max2) cout << "C"; else if(a2['J'] == max2) cout << "J"; return 0; }