PTIT135J SPOJ

PTIT135J.cpp

// contest: http://www.spoj.com/PTIT/problems/PTIT135J/
// author : Nguyen Minh Tuan (ititorit)
// lang   : C/C++

#include <bits/stdc++.h>

#define _for(i,a,b) for(int i=(a),_b_=(b),_d_=(a<b?1:-1);i!=_b_;i+=_d_)
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define FORD(i,a,b) for(int i = a; i >= b; i--)
#define _it(i,v) for (typeof((v).begin()) i = (v).begin(); i != (v).end(); ++i)
#define _all(v) v.begin(), v.end()

#define DEBUG(x) { cout << #x << " = " << x << endl; }
#define sqr(x) ((x)*(x))
 
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	#ifndef ONLINE_JUDGE
    freopen("INPUT.inp", "r", stdin);
    #endif

    // solution starts...
    float N,L,M;
    int test,ans;
    cin >> test;
    while(test--) {
    	cin >> N >> L >> M;
    	ans=0;
    	while(N<M) {
    		ans++;
    		N += (N*L)/100;
    	}
    	cout << ans << '\n';
    }

    // solution ends...
    return 0;
}