Submission #716002

#TimeUsernameProblemLanguageResultExecution timeMemory
716002sandry24Toll (BOI17_toll)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; //#pragma GCC optimize("O3,unroll-loops") //#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pi; #define pb push_back #define mp make_pair #define f first #define s second int k, n, m, o; int ans[5][5], temp[5][5], dp[50000][17][5][5]; void combine(int t[5][5], int a[5][5], int b[5][5]){ for(int i = 0; i < k; i++){ for(int j = 0; j < k; j++){ for(int l = 0; l < k; l++){ t[i][j] = min(t[i][j], a[i][l] + b[l][j]); } } } } void solve(){ cin >> k >> n >> m >> o; memset(dp, 0x3f, sizeof dp); while (m--) { int a, b, t; cin >> a >> b >> t; dp[a / k][0][a % k][b % k] = t; } for (int j = 1; j < 17; j++) { for (int i = 0; i + (1 << j) < (n + k - 1) / k; i++) { combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][j - 1]); } } while (o--) { int a, b; cin >> a >> b; memset(ans, 0x3f, sizeof ans); for (int i = 0; i < 5; i++) ans[i][i] = 0; for (int curr = a / k, dest = b / k, i = 16; ~i; i--) { if (curr + (1 << i) <= dest) { memset(tmp, 0x3f, sizeof tmp); combine(tmp, ans, dp[curr][i]); memcpy(ans, tmp, sizeof ans); curr += (1 << i); } } cout << (ans[a % k][b % k] == 0x3f3f3f3f ? -1 : ans[a % k][b % k]) << '\n'; } } int main(){ //freopen("infasuratoare.in", "r", stdin); //freopen("infasuratoare.out", "w", stdout); ios::sync_with_stdio(0); cin.tie(0); int t = 1; //cin >> t; while(t--){ solve(); } }

Compilation message (stderr)

toll.cpp: In function 'void solve()':
toll.cpp:46:60: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   46 |             combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][j - 1]);
      |                                                          ~~^~~
toll.cpp:67:24: error: 'tmp' was not declared in this scope; did you mean 'temp'?
   67 |                 memset(tmp, 0x3f, sizeof tmp);
      |                        ^~~
      |                        temp