Submission #525598

#TimeUsernameProblemLanguageResultExecution timeMemory
525598Farhan_HYTrampoline (info1cup20_trampoline)C++14
23 / 100
2089 ms17192 KiB
#include <bits/stdc++.h> #define int long long #define float double #define pb push_back #define F first #define S second #define T int t; cin >> t; while(t--) #define IOS ios::sync_with_stdio(); cin.tie(0); cout.tie(0); using namespace std; const int inf = 8e18; const int N = 1e6 + 6; const int M = 1e3 + 3; const int mod = 1e9 + 7; const float pi = atan(1) * 4; int r, c, n; map<int, set<int>> tramps; main() { cin >> r >> c >> n; for(int i = 0; i < n; i++) { int y, x; cin >> y >> x; tramps[y].insert(x); } T { int x1, x2, y1, y2; cin >> y1 >> x1 >> y2 >> x2; int last = y1; for(auto x: tramps) { if (x.F < y1) continue; if (x.F - last > 1) { y1 = -1; break; } if (y1 == y2) break; if (!tramps.count(y1)) break; if (tramps[y1].end() == tramps[y1].lower_bound(x1)) break; x1 = *tramps[y1].lower_bound(x1); y1 = x.F + 1; last = x.F; if (x1 > x2) { y1 = -1; break; } } if (y1 == y2) cout << "Yes\n"; else cout << "No\n"; } } /* 4 5 2 2 2 3 4 3 2 1 4 5 1 2 1 4 2 3 4 4 */

Compilation message (stderr)

trampoline.cpp:20:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main()
      | ^~~~
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