T了60，个人猜测是死循环了，但不知道原因，求查错，求hack

#include <bits/stdc++.h>
#define maxn 1010
#define int long long
using namespace std;
int dp[maxn], m;
int n, t, ans;

inline int read(){
	int s = 0, w = 1;
	char c = getchar();
	for (; !isdigit(c); c = getchar()) if (c == '-') w = -1;
	for (; isdigit(c); c = getchar()) s = (s << 1) + (s << 3) + (c ^ 48);
	return s * w;
}

signed main(){
	n = read(), m = read(), t = read();
	for (int i = 1; i <= n; ++i){
		int a = read(), b = read();
		for (int j = a; j <= t; ++j) dp[j] = max(dp[j], dp[j - a] + b);
	}
	int s = 0;
	while (m < t) ++ans, m = s += dp[m];
	printf("%d\n", ans);
	return 0;
}