public int reductionLigne() {
        int sommeRegret = 0;
		int min;
		for(int i = 0; i < this.getTaille(); i++) {
			min = this.getValue(i, 0);
			if(i == 0) {
				min = this.getValue(i, 1);
			}
			for(int j = 0; j < this.getTaille(); j++) {
				if(this.getValue(i, j) != -1) {
					min = (this.getValue(i, j) < min)? this.getValue(i, j): min;
				}
			}
            sommeRegret += min;
			for(int j = 0; j < this.getTaille(); j++) {
				if(this.getValue(i, j) != -1) {
					this.setValue(i, j, this.getValue(i, j) - min);
				}
			}
		}
        return(sommeRegret);
	}