제출 #947815

#제출 시각아이디문제언어결과실행 시간메모리
947815TrieTrSum Zero (RMI20_sumzero)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; void local() { #define taskname "" if (fopen(taskname".inp", "r")) { freopen(taskname".inp", "r", stdin); freopen(taskname".out", "w", stdout); } } #define ll long long #define fi first #define se second #define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); template<class X, class Y> bool mini(X &a, const Y &b) {return (a > b) ? a = b, true : false;} template<class X, class Y> bool maxi(X &a, const Y &b) {return (a < b) ? a = b, true : false;} const int N = 4e5 + 5; const int LG = 19; int n, q; int arr[N]; map<ll, int> pos; int jump[N][LG]; int main() { fastio; local(); cin >> n; for(int i = 1; i <= n; i++) cin >> arr[i]; ll sum = 0; for(int i = 1; i <= n + 1; i++) for(int k = 0; k < LG; k++) jump[i][k] = n + 2; jump[0] = n + 1; for(int i = n; i > 0; i--) { sum += arr[i]; jump[i][0] = pos[sum] - 1; jump[i][0] = (jump[i][0] == -1 ? jump[i + 1][0] : min(jump[i][0], jump[i + 1][0])); pos[sum] = i; } for(int k = 1; k < LG; k++) { for(int i = 1; i + (1 << k) - 1 <= n; i++) { jump[i][k] = jump[i][k - 1]; if(jump[i][k] <= n) jump[i][k] = jump[jump[i][k] + 1][k - 1]; } } cin >> q; for(int i = 1; i <= q; i++) { int l, r; cin >> l >> r; int res = 0; for(int k = LG - 1; k >= 0; k--) { while(jump[l][k] <= r) { l = jump[l][k] + 1; res += (1 << k); } } cout << res << '\n'; } }

컴파일 시 표준 에러 (stderr) 메시지

sumzero.cpp: In function 'int main()':
sumzero.cpp:33:13: error: incompatible types in assignment of 'int' to 'int [19]'
   33 |     jump[0] = n + 1;
      |     ~~~~~~~~^~~~~~~
sumzero.cpp: In function 'void local()':
sumzero.cpp:7:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sumzero.cpp:8:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~