661 - Blowing Fuses

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define endl '\n'
#define sz(x) int(x.size())
#define all(x) x.begin(), x.end()

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int n, m, c;
    int test = 0;
    char report[2][100] = {
        "Fuse was blown.",
        "Fuse was not blown.\nMaximal power consumption was "
    };
    while (scanf("%d %d %d", &n, &m, &c), n || m || c) {
        printf("Sequence %d\n", ++test);
        bool is_fuse_safe = true;
        bool is_device_turned[n + 1]{};
        int consumption[n + 1];
        int amperes = 0;
        int Maxial_power_consumption = 0;
        for (int i = 1; i <= n; i++) {
            scanf("%d", &consumption[i]);
        }
        int switch_device;
        while (m--) {
            scanf("%d", &switch_device);
            is_device_turned[switch_device] ^= 1;
            amperes += (is_device_turned[switch_device] ? 1 : -1) * consumption[switch_device];
            Maxial_power_consumption = max(Maxial_power_consumption, amperes);
            is_fuse_safe &= (amperes <= c);
        }
        printf("%s", report[is_fuse_safe]);
        if (is_fuse_safe) printf("%d amperes.", Maxial_power_consumption);
        printf("\n\n");
    }
}