Unable to pass testcases while submitting my code: Help Ramu problem

[gupta.ratan.7.rg (Ratan Gupta)]

#include

using namespace std;

int main() {
	int t, c1, c2, c3, c4, n, m, rickshaw[100], cab[100], rickshaw_cost = 0, cab_cost = 0, cost = 0;
	/*
	t -> no of testcases
	c1 -> A ticket for one ride on some rickshaw or cab
	c2 -> A ticket for an unlimited number of rides on some rickshaw or on some cab. 
	c3 -> A ticket for an unlimited number of rides on all rickshaws or all cabs.
	c4 -> A ticket for an unlimited number of rides on all rickshaws and cabs. 
	n -> no of rickshaws
	m -> no of cabs
	*/

	cout<<"Enter no of testcases: ";
	cin>>t;

	while (t >= 1) {
		cout<<"Enter the costs: ";
		cin>>c1>>c2>>c3>>c4;
		cout<<"Enter no of rickshaws and cabs: ";
		cin>>n>>m;

		for (int i=0; i<n; i++) {
			cout<<"Enter no of times Ramu uses rickshaw "<<i+1<<": ";
			cin>>rickshaw[i];
		}
		for (int i=0; i<m; i++) {
			cout<<"Enter no of times Ramu uses cab "<<i+1<<": ";
			cin>>cab[i];
		}

		for (int i=0; i<n; i++) {
			rickshaw_cost += min(c1*rickshaw[i], c2);
		}
		rickshaw_cost = min(rickshaw_cost, c3);

		for (int i=0; i<m; i++) {
			cab_cost += min(c1*cab[i], c2);
		}
		cab_cost = min(cab_cost, c3);

		cost = min(rickshaw_cost+cab_cost, c4);
		cout<<cost<<endl;

		t -= 1;
	}
	return 0;
}