Submission #345791
Source Code Expand
#include <algorithm> #include <cstdio> #include <cstdlib> #include <cctype> #include <cmath> #include <iostream> #include <queue> #include <list> #include <map> #include <numeric> #include <set> #include <sstream> #include <string> #include <vector> using namespace std; #define REP(i,a,n) for(int i=(a); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it) #define ALLOF(c) (c).begin(), (c).end() typedef long long ll; int main(){ int N; cin >> N; int dist; vector<int> d, d2; d.push_back(0); rep(i,N-1){ cout << "? " << 1 << " " << i+2 << endl; cin >> dist; d.push_back(dist); } int mx_i = -1, mx_v = -1; rep(i,d.size()){ if(mx_v < d[i]){ mx_i = i; mx_v = d[i]; } } rep(i,N){ if(i==mx_i){ d2.push_back(0); }else{ cout << "? " << mx_i+1 << " " << i+1 << endl; cin >> dist; d2.push_back(dist); } } sort(ALLOF(d2)); reverse(ALLOF(d2)); cout << "! " << d2[0] << endl; return 0; }
Submission Info
Submission Time | |
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Task | D - 高橋くんと木の直径 |
User | phyllo |
Language | C++ (G++ 4.6.4) |
Score | 100 |
Code Size | 1111 Byte |
Status | AC |
Exec Time | 37 ms |
Memory | 1292 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 20 / 20 | 80 / 80 | ||||||
Status |
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Set Name | Test Cases |
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Sample | subtask0_0.txt |
Subtask1 | subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask0_0.txt |
All | subtask0_0.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_2.txt, subtask1_20.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask2_0.txt, subtask2_1.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_2.txt, subtask2_3.txt, subtask2_4.txt, subtask2_5.txt, subtask2_6.txt, subtask2_7.txt, subtask2_8.txt, subtask2_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0_0.txt | AC | 30 ms | 1224 KB |
subtask1_0.txt | AC | 34 ms | 1272 KB |
subtask1_1.txt | AC | 33 ms | 1220 KB |
subtask1_10.txt | AC | 34 ms | 1160 KB |
subtask1_11.txt | AC | 32 ms | 1288 KB |
subtask1_12.txt | AC | 36 ms | 1212 KB |
subtask1_13.txt | AC | 36 ms | 1292 KB |
subtask1_14.txt | AC | 33 ms | 1224 KB |
subtask1_15.txt | AC | 32 ms | 1156 KB |
subtask1_16.txt | AC | 34 ms | 1220 KB |
subtask1_17.txt | AC | 32 ms | 1136 KB |
subtask1_18.txt | AC | 36 ms | 1260 KB |
subtask1_19.txt | AC | 34 ms | 1244 KB |
subtask1_2.txt | AC | 35 ms | 1208 KB |
subtask1_20.txt | AC | 30 ms | 1064 KB |
subtask1_3.txt | AC | 37 ms | 1280 KB |
subtask1_4.txt | AC | 34 ms | 1196 KB |
subtask1_5.txt | AC | 34 ms | 1200 KB |
subtask1_6.txt | AC | 36 ms | 1164 KB |
subtask1_7.txt | AC | 35 ms | 1208 KB |
subtask1_8.txt | AC | 34 ms | 1164 KB |
subtask1_9.txt | AC | 36 ms | 1224 KB |
subtask2_0.txt | AC | 33 ms | 1220 KB |
subtask2_1.txt | AC | 33 ms | 1128 KB |
subtask2_10.txt | AC | 34 ms | 1228 KB |
subtask2_11.txt | AC | 37 ms | 1224 KB |
subtask2_12.txt | AC | 36 ms | 1212 KB |
subtask2_13.txt | AC | 35 ms | 1204 KB |
subtask2_14.txt | AC | 36 ms | 1292 KB |
subtask2_15.txt | AC | 33 ms | 1136 KB |
subtask2_16.txt | AC | 35 ms | 1256 KB |
subtask2_17.txt | AC | 35 ms | 1204 KB |
subtask2_18.txt | AC | 34 ms | 1208 KB |
subtask2_19.txt | AC | 34 ms | 1204 KB |
subtask2_2.txt | AC | 37 ms | 1212 KB |
subtask2_3.txt | AC | 36 ms | 1152 KB |
subtask2_4.txt | AC | 36 ms | 1252 KB |
subtask2_5.txt | AC | 35 ms | 1224 KB |
subtask2_6.txt | AC | 37 ms | 1220 KB |
subtask2_7.txt | AC | 36 ms | 1220 KB |
subtask2_8.txt | AC | 37 ms | 1208 KB |
subtask2_9.txt | AC | 34 ms | 1120 KB |