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소감 ¶
2005/02/19 Accepted 0:00.029 64
코드 ¶
~cpp // no10137 - The Trip #include <iostream> #include <cmath> #include <cstdlib> using namespace std; const int MAX = 100; int exchangeMoney(const int * cost, const int n); void showExchange(const int * ex, const int count); int main() // cent단위로 계산 { int n; // 학생수 char money[7]; // 돈 int exchangeCost[MAX]; // 교환값 int i, c; int count = 0; while (cin >> n) { if (n == 0) break; cin.get(); int costs[1000]; // 각 학생들의 지출 비용 for (i=0; i<n; i++) { c = 0; while (cin.peek() != 'n') { if (cin.peek() == '.') cin.get(); else cin.get(money[c++]); } money[c] = ''; cin.get(); costs[i] = atoi(money); } exchangeCost[count++] = exchangeMoney(costs, n); } showExchange(exchangeCost, count); return 0; } int exchangeMoney(const int * cost, const int n) { int sum = 0; // 합계 int aver, r; // 평균, 나머지 int i; for (i=0; i<n; i++) sum += cost[i]; aver = sum/n; r = sum%n; int exchange = 0; for (i=0; i<n; i++) { if (cost[i] > aver) { exchange += cost[i] - aver; if (r > 0) { exchange--; r--; } } } return exchange; } void showExchange(const int * ex, const int count) { int i; int dollor, cent; for (i=0; i<count; i++) // dollor단위로 출력 { dollor = ex[i]/100; cent = ex[i]%100; cout << "$" << dollor << "."; if (cent < 10) cout << "0" << cent; else cout << cent; cout << endl; } }