제출 #1116394

#제출 시각아이디문제언어결과실행 시간메모리
1116394staszic_ojuzFoehn Phenomena (JOI17_foehn_phenomena)C++17
0 / 100
364 ms5948 KiB
#include <bits/stdc++.h> using namespace std; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, q, s, t; cin >> n >> q >> s >> t; vector<int64_t> amplitudes; int64_t temps[n + 1] = {0}; int l, r, x, a = 0; cin >> x; a = x; amplitudes.push_back(x); for(int i = 1; i <= n; i++){ cin >> x; amplitudes.push_back(x); a = x; } temps[0] = 0; for(int i = 1; i <= n; i++){ if(amplitudes[i] < 0){ temps[i] = temps[i - 1] - t * amplitudes[i]; }else{ temps[i] = temps[i - 1] - s * amplitudes[i]; } } if(s != t){ for(int k = 0; k < q; k++){ cin >> l >> r >> x; for(int j = l; j <= r; j++){ amplitudes[j] += x; } temps[0] = 0; for(int i = 1; i <= n; i++){ if(amplitudes[i - 1] >= amplitudes[i]){ temps[i] = temps[i - 1] + t * (amplitudes[i - 1] - amplitudes[i]); }else{ temps[i] = temps[i - 1] - s * (amplitudes[i] - amplitudes[i - 1]); } } cout << temps[n] << endl; } }else{ for(int k = 0; k < q; k++){ cin >> l >> r >> x; temps[n] += x * t; if(r < n){ temps[n] += x * t; } cout << temps[n] << endl; } } }

컴파일 시 표준 에러 (stderr) 메시지

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:12:18: warning: variable 'a' set but not used [-Wunused-but-set-variable]
   12 |     int l, r, x, a = 0;
      |                  ^
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