# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
921198 | 2024-02-03T13:23:05 Z | shidou26 | Balloons (CEOI11_bal) | C++14 | 146 ms | 6484 KB |
#include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define ii pair<int, int> #define mp make_pair #define range(v) v.begin(), v.end() #define sz(v) (int)v.size() #define file(name) if(fopen(name".INP", "r")) {freopen(name".INP", "r", stdin); freopen(name".OUT", "w", stdout);} #define usaco(name) if(fopen(name".in", "r")) {freopen(name".in", "r", stdin); freopen(name".out", "w", stdout);} #define el "\n" #define fi first #define se second #define eps 0.001 template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; } template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; } const int N = 2e5 + 12; int n; double pos[N], rad[N], ans[N]; deque<int> dq; int calc(int idx) { return (pos[idx] + ans[idx]); } double sqr(double x) { return x * x; } void solve() { cin >> n; for(int i = 1; i <= n; i++) cin >> pos[i] >> rad[i]; for(int i = 1; i <= n; i++) { if(dq.empty()) ans[i] = rad[i]; else { int last = dq.front(); double r = sqr(pos[i] - pos[last]) / (double(4) * ans[last]); ans[i] = min(r, rad[i]); } while(!dq.empty() && calc(dq.back()) < calc(i)) dq.pop_back(); dq.push_back(i); } for(int i = 1; i <= n; i++) cout << fixed << setprecision(3) << ans[i] << el; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); file("kurumi"); solve(); // cerr << el<< "Time elapsed: " << (1000.0 * clock() / CLOCKS_PER_SEC) << "ms.\n"; return 0; } /* B####BGGGGP7^^:::::^!J555PPPPPPPGGGGGB###BGGGGGBBGGBGGGGPPPPPPGGGBGGPPPPPPPPPPPPPPPPPPPPP555555555555555555555555YYJ!:... :!~~77!~~7??JJ?!~!?JYYJ BBB###BGGGP5~:^^:^~J555PPPPPPPGGGGGB####BGGGGGGBBGGGGGGGGGGGGGGGBBGPPPPPPPPPPPPPPPPPPPPPPPPPPPPP5555555PPPP55555555YYJ~... .~!~!77~~7JJJJ?!~!?JYYY BBBBB#BGGGPP!:^:^?5PPPPPPPPPGGGGGB#####BGGGGGGBBGGGGGGGGGGGGGGGB##GGGPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP5555555YY?^. .~!~!77~~7JJJJ?!~!?YYYY BBBBBBGGGGGJ^^^!YPPPPPPPGGGGGGGGB#####BGGGGGGB#BBBGGGGGGGGGGGGGBB#GGGGGGGGGPPPPPPPPPPGGPPPPPPPPPPPPPPPPPPPPPPPPPPP5555Y5Y!. ^!~!77!~!?JJJ?7!!?YYYY BBBBBBBGGGJ~:^7PPPPGPGGGGGGGGGB###B##GGGBBGBBB#BBBGGGGGGGGGGGGBBB#BGGGGGGGGGGPPPPPPGGGGGGPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP55YJ: :~!!777~!?JJJJ7!!?YYYY BBBBBBBGGY~:^JGPGGGGGGGGGGGGBB###BB#BGGGGGBGB##BBBGGGGGGGGGGGBBGB#BGGGGGGBGGGGGGGGGGGGGGGGGPPPPPPPGGGGGPPPPPPPGGPPPPPPPPP55Y~ .~!!777!!7JJJJ?!!?Y5YY BBBBBBBBP!^^YGGGGGGGGGGGGGGGB##BB#BBBBBBBBBBB##BBBBBGGGGGGGGB#BGB#BGGGGGBBGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGPPPGGGGGGPPPPPPGPP55?. .^!!!77!!7JYJJ?!!?Y555 ##BBBBGBY^~5GGGGGGGGGGGGBBBB##BBBBBBBBBBBBBB##BBBBBBGBBBBBGB#BGGB#BGGGGGBBGGGGGG5PGGGGGGGGGGGGGGGGGGGGGBGGGGGGGGGGGGPPGGGY5P5PY. ^!!!77!!7JYYJ?7!?Y555 ##BBBBBG7~5GGGGGGGGGGBBBBB###BBBBBBBBBBBBBBB##BBBBBBBGBBBBGBBBGGBB#BGGGBB#BGGGGGYJPGGGGGGGGGGGGGGGGPYPGGBBGGGGGGGGGGGPGPGP?JPPP5^:!!!7?7!7JYYJ?7!?Y555 ###BBBBP~5BGGGBBBBBBBBBGB###BBBBBBBBBBBBBBBB##BBBBBBBBBBBBBBBBGBGGBBBGGGG##GGGGYJ7JGGGGGGGGGGGGGGGGPJ75GBBGGGGGGGGGGGGGGGGG7JGPPP7~7!7?7!7?YYYJ?7?555P ####B#B?YBBBBBBBBBBBBBBBB#BBBBBBBBBBBBBBBBBBB#BBBGBBBBBBBBBBBBGBBGBBBBG5PB#BGGGPJJ7PGGGGGGGGGBGGGGGPPJ?PGBBBBPPGGGGBBGGPGGGG!?GPPPJ7777777?JYYJ?775P5P ######GYBBBBBBBBBBBBBBBB#BBBBBBBBBBBBBBBBBBBBBBBBBBBGGBBBBBBGGGGGGGBBGB5YB##GGGPPGYPGGGGGBBGGGGGGGGPPPJYGPB#BGYGGGBBBBGJ5GGGG~?GGGGY777?777JYYY?77Y5PP #####BGBBBBBBBBBBBBBBBB#BBBBBBBBBBBBBBBBBBBBBBBBBBBBJ5BBBBBBGGPGGGGBBGGGGGB#BGGPPGPPPPGGPG#BGGGGGGGPPPPPGPG#BGGGGGBB#B57?PGBGG:JGGGGY77??77JYYYJ77Y5PP #####BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBG?5GBBBBGGGYPGGGBBGGGGGB#BGPPPPPPPPGGPPB#BGGPPGGPPPPPPPPB#BGGGGGBB#GJ?5GBGG5:5GGGGJ7??77?JYYJ??JPPP #######BBBBBBBBBBBBBBBBBBBBBBB##BBBBBBBBBBBBBBBBBBBG7YGGBBBBGGGGGGGGGBGGGGGB#GPPPPPP5PPGPPG###GPPPPGPPPPPPPPB#BGGGGBB##BPJGBBGBJ:PPPGP7???7?JYYJ??YPPP ######BBBBBBBBBBBBBBBBBBBBBB###BBBBBBBBBBBBBB#GGBBBB?JGBGG5YBGGGGGGGGGGPPPPPBBPP5555555PPPPB###BGP5PPPP55555G#BGGGGGB##BGGGBBBGB~~GYGB57??7?JYYY??YPPP #######BBBBBBBBBBBBBBBBBBBB####BBBBBBBBBBBBBB#P5BBGB55GGGG5:YGPPPPPPPJ7P5P55G#G555555555PP5P###B#BPP55PP5555P#BGGGPGGB##GGGGBBBBG:JGGGG??J??JYYYJ?YPPP ########BBBBBBBBBBBBBBBBBBB####BBBBBBBBBBBBBB#BGBBBGGGGGGP5:.YP55555P7.755555GBP555555555P55G##PPGBBPP55PGP55B#BPPPPPG##BGBGBBBBB5.PGBBP?J??JY5YYJYPPP ########BBBBBBBBBBBBBBBBB#####BBYGBGBBBBBBBBBBBBBBBGGGGPPP5~..YP555557 .?YYY55BG555555555P55PB#GYY55PPP555GGGB##PPPPPPG&BGGGGBBBBB~~BBBBJJJ?JY55YJYPGP #########BBBBBBBBBBBB#B#######BBJYB5PBBBBBBBBBGBGBBGGPPPP5P!. .Y5YYYY? 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Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 4444 KB | 10 numbers |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 4444 KB | 2 numbers |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 1 ms | 4444 KB | 13th numbers differ - expected: '2.3960000000', found: '6.2550000000', error = '3.8590000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 4440 KB | 114th numbers differ - expected: '39.0180000000', found: '56.0000000000', error = '16.9820000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 19 ms | 4736 KB | 196th numbers differ - expected: '100.7250000000', found: '111.0000000000', error = '10.2750000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 39 ms | 5068 KB | 14044th numbers differ - expected: '0.4860000000', found: '0.5200000000', error = '0.0340000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 76 ms | 5580 KB | 7309th numbers differ - expected: '0.3220000000', found: '0.7860000000', error = '0.4640000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 88 ms | 5716 KB | 4790th numbers differ - expected: '0.2950000000', found: '0.8600000000', error = '0.5650000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 122 ms | 6080 KB | 1734th numbers differ - expected: '1856.0220000000', found: '1865.0000000000', error = '8.9780000000' |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 146 ms | 6484 KB | 2716th numbers differ - expected: '22.1690000000', found: '43.0000000000', error = '20.8310000000' |
2 | Halted | 0 ms | 0 KB | - |