Submission #2009583

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;

int N, M;
int A[200010], dp[1000010];
deque<int> dq;

int main() {
    scanf("%d", &N);

    int sum = 0;
    for(int i = 0; i < N - 1; i++) {
        scanf("%d", &A[i]);
        if(i >= 2) sum += A[i];
    }

    for(int i = 0; i < sum; i++) {
        dq.push_back(i);
    }
    for(int i = 3; i < N; i++) {
        vector<int> tmp;

        for(int j = 0; j <= A[i - 1]; j++) {
            tmp.push_back(dq.front());
            dq.pop_front();
        }

        for(int j = (int)tmp.size() - 1; j >= 0; j--) {
            dq.push_front(tmp[j]);
        }
        for(int j = 1; j <= A[i - 1]; j++) {
            dq.push_front(tmp[j]);
        }
    }

    scanf("%d", &M);

    for(int i = 0; i < M; i++) {
        int x; scanf("%d", &x);

        if(x >= dq.size()) {
            printf("%d\n", A[0] - A[1] + x - sum);
        }
        else printf("%d\n", A[0] - A[1] + dq[x]);
    }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
                           ^
./Main.cpp:36:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &M);
                    ^
./Main.cpp:39:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         int x; scanf("%d", &x);
                               ^

Judge Result