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#22751. 銀行餘額

Statistiques

Alice、Betsy、Corinne、Debra 開銀行帳戶,銀行統一帳本記存款(錢進銀行)及提款(錢出銀行)。她們財務行為良好,從不提超過餘額的錢。

給帳本(如下),輸出交易後各人銀行餘額,初始 0,所有數可用 32 位元整數。

輸入格式

  • 第 1 行:交易數整數 $N$。

  • 第 $2$ 至 $N+1$ 行:每行交易有姓名與數值,正數存款、負數提款。

輸出格式

  • 第 $1..4$ 行:每行姓名與餘額,按字母順序。

範例

輸入格式 1

6
Alice +100
Corinne +100
Betsy +200
Alice -10
Debra +10
Betsy -100

輸出格式 1

Alice 90
Betsy 100
Corinne 100
Debra 10

說明

輸入說明

Alice 存 100,Corrinne 也存 100,Betsy 存 200。Alice 提 10,Debra 存 10,Betsy 提 100。輸入只 Alice、Betsy、Corinne、Debra。

題目作者:Rob Kolstad,2004

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