Speed Limit (feat. 백준, 4635번)

Speed Limit
https://www.acmicpc.net/problem/4635

4635번: Speed Limit

 

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// woohyeon.kim
// kim519620.tistory.com
#include <iostream>
using namespace std;
int main(){
    ios::sync_with_stdio(false), cin.tie(NULL);
    register int N, S, T;
    while(1){
        cin >> N;
        if(N == -1)
            break;
        register int ans = 0, t = 0;
        for(register int n = 0; n < N; ++n){
            cin >> S >> T;
            ans += S * (T - t);
            t = T;
        }
        cout << ans << " miles\n";
    }
    return 0;
}
// *&)*@*

 

 

아래 "Speed Limit" 와 동일한 문제입니다.

14541번: Speed Limit