Submission #579139

#TimeUsernameProblemLanguageResultExecution timeMemory
579139lcjTwo Dishes (JOI19_dishes)C++17
0 / 100
152 ms20520 KiB
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ll; typedef pair<ll, ll> pll; typedef pair<int, int> pii; int n, m; struct Dish { ll a, s, p; }; vector<Dish> d1, d2; vector<ll> p1, p2, po1, po2; ll getTime(int i1, int i2) { return p1[i1]+p2[i2]; } void solve() { cin >> n >> m; ll a, s, p; p1.assign(n+1, 0); p2.assign(m+1, 0); po1.assign(n+1, 0); po2.assign(n+1, 0); int t1, t2; for (int i = 0; i < n; i++) { cin >> a >> s >> p; Dish dd = Dish {a, s, p}; d1.push_back(dd); p1[i+1] = p1[i]+a; po1[i+1] = po1[i]+p; t1 = s; } for (int i = 0; i < m; i++) { cin >> a >> s >> p; Dish dd = Dish {a, s, p}; d2.push_back(dd); p2[i+1] = p2[i]+a; po2[i+1] = po2[i]+p; t2 = s; } if (t1 > t2) { swap(t1, t2); swap(d1, d2); swap(p1, p2); swap(po1, po2); swap(n, m); } ll cmax = 0; bool iset = 0; for (int i = 0; i <= n; i++) { if (p1[i] > t1) continue; int idx = upper_bound(p2.begin(), p2.end(), t2-p1[i])-p2.begin()-1; ll tnow = p1[i]+p2[idx]; int ri = i; if (tnow <= t1) { ri = upper_bound(p1.begin(), p1.end(), t1-p2[idx])-p1.begin()-1; } if (!iset) cmax = po1[ri]+po2[idx]; cmax = max(cmax, po1[ri]+po2[idx]); iset = 1; } cout << cmax << endl; } int main() { cin.tie(0); ios::sync_with_stdio(0); solve(); return 0; }

Compilation message (stderr)

dishes.cpp: In function 'void solve()':
dishes.cpp:58:19: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long unsigned int>, long long unsigned int>::value_type' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
   58 |         if (p1[i] > t1) continue;
dishes.cpp:62:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
   62 |         if (tnow <= t1) {
      |             ~~~~~^~~~~
dishes.cpp:48:5: warning: 't2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   48 |     if (t1 > t2) {
      |     ^~
dishes.cpp:48:5: warning: 't1' may be used uninitialized in this function [-Wmaybe-uninitialized]
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