Submission #222893

#TimeUsernameProblemLanguageResultExecution timeMemory
222893ngot23Deda (COCI17_deda)C++11
20 / 140
137 ms8184 KiB
#include <bits/stdc++.h> using namespace std; #define pii pair<int, int > #define F first #define S second #define mp make_pair pair<pii, pii > a[200005]; int ans[200005]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); //freopen("output.txt", "w", stdout); if(fopen(".inp", "r")) freopen(".inp", "r", stdin); int n, Q; cin >> n >> Q; for(int i=1 ; i<=Q ; ++i) { char c; cin >> c; int A, B; cin >> A >> B; if(c=='M') a[i] = mp( mp(A, 0), mp(B, 0) ); else a[i] = mp( mp(A, 1), mp(B, i ) ); } set <int > s; sort(a+1, a+Q+1); for(int i=1; i<=Q ; ++i) { if(a[i].F.S==0) s.insert(a[i].S.F); else { auto id = s.lower_bound(a[i].S.F); if(id==s.end()) ans[a[i].S.S]=-1; else ans[a[i].S.S]=*id; if(a[i].F.F==1e9) ans[a[i].S.S]=1; } } for(int i=1 ; i<=Q ; ++i) { if(ans[i]) cout << ans[i] << '\n'; } return 0; }

Compilation message (stderr)

deda.cpp: In function 'int main()':
deda.cpp:14:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     if(fopen(".inp", "r")) freopen(".inp", "r", stdin);
                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
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